diff --git a/.gitignore b/.gitignore
index b7b7958..f52d3aa 100644
--- a/.gitignore
+++ b/.gitignore
@@ -105,4 +105,6 @@ venv.bak/
 
 # mypy
 .mypy_cache/
-env.ps1
\ No newline at end of file
+
+#Idea
+*.idea
\ No newline at end of file
diff --git a/README.md b/README.md
index 309e999..3e9236f 100644
--- a/README.md
+++ b/README.md
@@ -101,4 +101,8 @@ La opción `--help` imprime la ayuda de cada comando en la pantalla.
  Check latest published settlements in asic's website.
 ```
 
+### Para tener en cuenta
+
+Tener presente que no se está realizando la verificación de certificados del servidor de XM **neptuno.xm.com.co** al consultar las versiones de liquidación publicadas usando el comando **asic pubs**.
+
 ## Contribuir
diff --git a/src/asic/VERSION b/src/asic/VERSION
index abd4105..3a4036f 100644
--- a/src/asic/VERSION
+++ b/src/asic/VERSION
@@ -1 +1 @@
-0.2.4
+0.2.5
diff --git a/src/asic/__init__.py b/src/asic/__init__.py
index b08f4bf..b14a73c 100644
--- a/src/asic/__init__.py
+++ b/src/asic/__init__.py
@@ -1,7 +1,4 @@
-from .config import (
-    load_asic_file_config,
-    load_asic_file_extension_map,
-)
+from .config import load_asic_file_config, load_asic_file_extension_map
 
 ASIC_FILE_CONFIG = load_asic_file_config()
 ASIC_FILE_EXTENSION_MAP = load_asic_file_extension_map()
diff --git a/src/asic/cli.py b/src/asic/cli.py
index 4902880..abf4c40 100644
--- a/src/asic/cli.py
+++ b/src/asic/cli.py
@@ -13,11 +13,8 @@
 from asic import ASIC_FILE_CONFIG, ASIC_FILE_EXTENSION_MAP
 from asic.config import ASICFileVisibility
 from asic.files.definitions import SUPPORTED_FILE_CLASSES
-from asic.ftp import (
-    get_ftps,
-    grab_file,  # list_supported_files_in_location,
-    list_supported_files,
-)
+from asic.ftp import grab_file  # list_supported_files_in_location,
+from asic.ftp import get_ftps, list_supported_files
 from asic.publication import list_latest_published_versions
 
 logger = logging.getLogger("asic")
@@ -81,7 +78,7 @@ def main(
 def validate_month(month: str) -> str:
     for f in YEAR_MONTH_FORMATS:
         try:
-            _value = dt.datetime.strptime(month, f).date()
+            dt.datetime.strptime(month, f).date()
             break
         except ValueError:
             continue
@@ -332,8 +329,20 @@ def download(
             grab_file(ftps, remote.path, local)
 
         if is_preprocessing_required:
+            normalized_version = (
+                f.metadata.version
+                if f.metadata.version is not None
+                else f.metadata.extension
+            )
+            subpath_str = str(f.path)[1:].replace(
+                f"{f.year:04d}-{f.month:02d}",
+                f"{f.year:04d}-{f.month:02d}\\{normalized_version}",
+            )
+
+            preprocessed_path = destination.joinpath(subpath_str)
+
             preprocessed = f.preprocess(local)
-            write_to = local.with_suffix(".csv")
+            write_to = preprocessed_path.with_suffix(".csv")
             preprocessed.to_csv(
                 write_to,
             )
diff --git a/src/asic/config.py b/src/asic/config.py
index f0eaaca..3a4dfe3 100644
--- a/src/asic/config.py
+++ b/src/asic/config.py
@@ -24,7 +24,7 @@
 
 class ASICExtesionMap(BaseModel):
     asic_extension: Annotated[str, StringConstraints(pattern=r"^\.[a-zA-Z0-9]*$")]
-    normalized_version: Annotated[str, StringConstraints(pattern=r"^[0-9]{3}$")]
+    normalized_version: Annotated[str, StringConstraints(pattern=r"^[-]?[0-9]{3}$")]
     order: int
 
 
@@ -88,7 +88,7 @@ def pattern_to_template_replacement(match_object: re.Match) -> str:
 
 
 def pattern_to_template(patt: str) -> str:
-    matches = PATTERN_REGEX.findall(patt)
+    PATTERN_REGEX.findall(patt)
     template = PATTERN_REGEX.sub(pattern_to_template_replacement, patt)
     return template
 
diff --git a/src/asic/data/ASIC_FILE_CONFIG.jsonl b/src/asic/data/ASIC_FILE_CONFIG.jsonl
index b13ce62..54bd805 100644
--- a/src/asic/data/ASIC_FILE_CONFIG.jsonl
+++ b/src/asic/data/ASIC_FILE_CONFIG.jsonl
@@ -9,6 +9,7 @@
 {"code":"ldcbmr", "visibility": "public","name_pattern":"(?P<kind>ldcbmr)(?P<name_month>[0-9]{2}).(?P<ext_versioned>[a-zA-Z0-9]+)","location_pattern":"/informacion_xm/publicok/sic/comercia/(?P<location_year>[0-9]{4})-(?P<location_month>[0-9]{2})/","description":""}
 {"code":"oefagnch", "visibility": "agent","name_pattern":"(?P<kind>oefagnch)(?P<name_month>[0-9]{2})(?P<name_day>[0-9]{2}).(?P<ext_versioned>[a-zA-Z0-9]+)","location_pattern":"/informacion_xm/USUARIOSK/(?P<location_agent>[a-zA-Z]{4})/SIC/COMERCIA/(?P<location_year>[0-9]{4})-(?P<location_month>[0-9]{2})/","description":""}
 {"code":"pep", "visibility": "public","name_pattern":"(?P<kind>pep)(?P<name_month>[0-9]{2})(?P<name_day>[0-9]{2}).(?P<ext_versioned>[a-zA-Z0-9]+)","location_pattern":"/informacion_xm/publicok/sic/comercia/(?P<location_year>[0-9]{4})-(?P<location_month>[0-9]{2})/","description":""}
+{"code":"PME", "visibility": "public","name_pattern":"(?P<kind>PME)(?P<ordinance>140)(?P<name_month>[0-9]{2}).(?P<ext_versioned>[a-zA-Z0-9]+)","location_pattern":"/informacion_xm/publicok/sic/comercia/(?P<location_year>[0-9]{4})-(?P<location_month>[0-9]{2})/","description":""}
 {"code":"pubfc_falla_hurto", "visibility": "public", "name_pattern":"(?P<kind>PubFC_Falla-Hurto)(?P<name_year>[0-9]{4})-(?P<name_month>[0-9]{2})-(?P<name_day>[0-9]{2}).(?P<ext_excel>xlsx)", "location_pattern":"/informacion_xm/publicok/sic/comercia/Fronteras_en_proceso_de_registro/PUB_Falla_Hurto/","description":""}
 {"code":"pubfc", "visibility": "public", "name_pattern":"(?P<kind>PubFC)(?P<name_year>[0-9]{4}).*(?P<name_month>[0-9]{2}).*(?P<name_day>[0-9]{2}).(?P<ext_excel>xlsx)", "location_pattern":"/informacion_xm/publicok/sic/comercia/Fronteras_en_proceso_de_registro/PUB_Registros/","description":""}
 {"code":"sntie", "visibility": "public","name_pattern":"(?P<kind>sntie)(?P<name_month>[0-9]{2}).(?P<ext_versioned>[a-zA-Z0-9]+)","location_pattern":"/informacion_xm/publicok/sic/comercia/(?P<location_year>[0-9]{4})-(?P<location_month>[0-9]{2})/","description":""}
diff --git a/src/asic/data/ASIC_FILE_EXTENSION_MAP.jsonl b/src/asic/data/ASIC_FILE_EXTENSION_MAP.jsonl
index 6ca3aa9..3697c95 100644
--- a/src/asic/data/ASIC_FILE_EXTENSION_MAP.jsonl
+++ b/src/asic/data/ASIC_FILE_EXTENSION_MAP.jsonl
@@ -1,3 +1,4 @@
+{"asic_extension": ".txa", "order":  -1, "normalized_version": "-001"}
 {"asic_extension": ".tx1", "order":  0, "normalized_version": "000"}
 {"asic_extension": ".tx2", "order":  1, "normalized_version": "001"}
 {"asic_extension": ".txr", "order":  2, "normalized_version": "002"}
diff --git a/src/asic/files/definitions/__init__.py b/src/asic/files/definitions/__init__.py
index dc38557..2cef2ca 100644
--- a/src/asic/files/definitions/__init__.py
+++ b/src/asic/files/definitions/__init__.py
@@ -3,12 +3,18 @@
 from asic.files.definitions.adem import ADEM
 from asic.files.definitions.aenc import AENC
 from asic.files.definitions.balcttos import BALCTTOS
+from asic.files.definitions.pep import PEP
+from asic.files.definitions.pme import PME
+from asic.files.definitions.trsd import TRSD
 from asic.files.file import AsicFile, FileKind
 
 SUPPORTED_FILE_CLASSES: dict[FileKind, Type[AsicFile]] = {
     FileKind.ADEM: ADEM,
     FileKind.AENC: AENC,
     FileKind.BALCTTOS: BALCTTOS,
+    FileKind.PEP: PEP,
+    FileKind.PME: PME,
+    FileKind.TRSD: TRSD,
 }
 
 
diff --git a/src/asic/files/definitions/adem.py b/src/asic/files/definitions/adem.py
index b389a3d..01c6f56 100644
--- a/src/asic/files/definitions/adem.py
+++ b/src/asic/files/definitions/adem.py
@@ -1,5 +1,6 @@
 import logging
-import pathlib
+from io import BytesIO, StringIO
+from pathlib import Path, PureWindowsPath
 
 import numpy as np
 
@@ -59,34 +60,34 @@ class ADEM(AsicFile):
     _format = FORMAT
 
     @property
-    def path(self):
+    def path(self) -> PureWindowsPath:
         return self._path
 
     @property
-    def year(self):
+    def year(self) -> int:
         return self._year
 
     @property
-    def month(self):
+    def month(self) -> int:
         return self._month
 
     @property
-    def day(self):
+    def day(self) -> int | None:
         return self._day
 
     @property
-    def extension(self):
+    def extension(self) -> str:
         return self._extension
 
     @property
-    def version(self):
+    def version(self) -> str | None:
         return self._version
 
     @property
-    def agent(self):
+    def agent(self) -> str | None:
         return self._agent
 
-    def preprocess(self, filepath: pathlib.Path) -> pd.DataFrame:
+    def preprocess(self, target: Path | BytesIO | StringIO) -> pd.DataFrame:
         """
         ADEM: es un archivo diario
         versiones: TX2, TXR, TXF
@@ -96,7 +97,7 @@ def preprocess(self, filepath: pathlib.Path) -> pd.DataFrame:
         DMRE: demanda regulada
         PRRE: perdidas reguladas
         """
-        total = self.reader.read(filepath)
+        total = self.read(target)
         total["FECHA"] = f"{self.year:04d}-{self.month:02d}-{self.day:02d}"
 
         filter = np.full(total.index.shape, True)
diff --git a/src/asic/files/definitions/aenc.py b/src/asic/files/definitions/aenc.py
index 149add4..ea78ac9 100644
--- a/src/asic/files/definitions/aenc.py
+++ b/src/asic/files/definitions/aenc.py
@@ -1,5 +1,6 @@
 import logging
-import pathlib
+from io import BytesIO, StringIO
+from pathlib import Path, PureWindowsPath
 
 # Third party imports
 import pandas as pd
@@ -65,40 +66,40 @@ class AENC(AsicFile):
     _format = FORMAT
 
     @property
-    def path(self):
+    def path(self) -> PureWindowsPath:
         return self._path
 
     @property
-    def year(self):
+    def year(self) -> int:
         return self._year
 
     @property
-    def month(self):
+    def month(self) -> int:
         return self._month
 
     @property
-    def day(self):
+    def day(self) -> int | None:
         return self._day
 
     @property
-    def extension(self):
+    def extension(self) -> str:
         return self._extension
 
     @property
-    def version(self):
+    def version(self) -> str | None:
         return self._version
 
     @property
-    def agent(self):
+    def agent(self) -> str | None:
         return self._agent
 
-    def preprocess(self, filepath: pathlib.Path) -> pd.DataFrame:
+    def preprocess(self, target: Path | BytesIO | StringIO) -> pd.DataFrame:
         """
         AENC: es un archivo diario
         versiones: TX2, TXR, TXF
         VALOR: energia calculada por ASIC para frontera en cada periodo
         """
-        total = self.reader.read(filepath)
+        total = self.read(target)
         total["FECHA"] = f"{self.year:04d}-{self.month:02d}-{self.day:02d}"
         total["AGENTE"] = self.agent
 
diff --git a/src/asic/files/definitions/balcttos.py b/src/asic/files/definitions/balcttos.py
index 185788f..a09c1cc 100644
--- a/src/asic/files/definitions/balcttos.py
+++ b/src/asic/files/definitions/balcttos.py
@@ -1,5 +1,6 @@
 import logging
-import pathlib
+from io import BytesIO, StringIO
+from pathlib import Path, PureWindowsPath
 
 # Third party imports
 import pandas as pd
@@ -58,34 +59,34 @@ class BALCTTOS(AsicFile):
     _format = FORMAT
 
     @property
-    def path(self):
+    def path(self) -> PureWindowsPath:
         return self._path
 
     @property
-    def year(self):
+    def year(self) -> int:
         return self._year
 
     @property
-    def month(self):
+    def month(self) -> int:
         return self._month
 
     @property
-    def day(self):
+    def day(self) -> int | None:
         return self._day
 
     @property
-    def extension(self):
+    def extension(self) -> str:
         return self._extension
 
     @property
-    def version(self):
+    def version(self) -> str | None:
         return self._version
 
     @property
-    def agent(self):
+    def agent(self) -> str | None:
         return self._agent
 
-    def preprocess(self, filepath: pathlib.Path) -> pd.DataFrame:
+    def preprocess(self, target: Path | BytesIO | StringIO) -> pd.DataFrame:
         """
         balcttos: se publica un archivo por día.
         versiones: TX2, TXR y TXF
@@ -95,7 +96,7 @@ def preprocess(self, filepath: pathlib.Path) -> pd.DataFrame:
         AGENTE:
         EPSC: Código SIC del agente comercializador
         """
-        total = self.reader.read(filepath)
+        total = self.read(target)
         total["FECHA"] = f"{self.year:04d}-{self.month:02d}-{self.day:02d}"
 
         total["FECHA"] = pd.to_datetime(
diff --git a/src/asic/files/definitions/pep.py b/src/asic/files/definitions/pep.py
new file mode 100644
index 0000000..485aa35
--- /dev/null
+++ b/src/asic/files/definitions/pep.py
@@ -0,0 +1,74 @@
+import logging
+from io import BytesIO, StringIO
+from pathlib import Path, PureWindowsPath
+
+# Third party imports
+import pandas as pd
+
+# Local application imports
+from asic.files.file import AsicFile, FileKind, VisibilityEnum
+
+logger = logging.getLogger(__name__)
+
+FORMAT = {
+    "type": "csv",
+    "sep": ";",
+    "encoding": "cp1252",
+    "dt_fields": {},
+    "dtype": {"AGENTE": str, "VALOR PE": float},
+}
+
+
+class PEP(AsicFile):
+    kind = FileKind.PEP
+    visibility = VisibilityEnum.PUBLIC
+    name_pattern = "(?P<kind>pep)(?P<name_month>[0-9]{2})(?P<name_day>[0-9]{2}).(?P<ext_versioned>[a-zA-Z0-9]+)"
+    location_pattern = "/informacion_xm/publicok/sic/comercia/(?P<location_year>[0-9]{4})-(?P<location_month>[0-9]{2})/"
+    description = ""  # TODO
+
+    _format = FORMAT
+
+    @property
+    def path(self) -> PureWindowsPath:
+        return self._path
+
+    @property
+    def year(self) -> int:
+        return self._year
+
+    @property
+    def month(self) -> int:
+        return self._month
+
+    @property
+    def day(self) -> int | None:
+        return self._day
+
+    @property
+    def extension(self) -> str:
+        return self._extension
+
+    @property
+    def version(self) -> str | None:
+        return self._version
+
+    @property
+    def agent(self) -> str | None:
+        return self._agent
+
+    def preprocess(self, target: Path | BytesIO | StringIO) -> pd.DataFrame:
+        """
+        pep: se publica un archivo por día.
+        versiones: TX1, TX2, TXR y TXF
+        AGENTE:
+          SISTEMA: el precio de escasez ponderado del sistema
+        """
+        total = self.read(target)
+        total["FECHA"] = f"{self.year:04d}-{self.month:02d}-{self.day:02d}"
+
+        total["FECHA"] = pd.to_datetime(
+            total["FECHA"],
+            format="%Y-%m-%d",
+        )
+        return_cols = ["FECHA", "AGENTE", "VALOR PE"]
+        return total[return_cols]
diff --git a/src/asic/files/definitions/pme.py b/src/asic/files/definitions/pme.py
new file mode 100644
index 0000000..1f1b9ff
--- /dev/null
+++ b/src/asic/files/definitions/pme.py
@@ -0,0 +1,70 @@
+import logging
+from io import BytesIO, StringIO
+from pathlib import Path, PureWindowsPath
+
+# Third party imports
+import pandas as pd
+
+# Local application imports
+from asic.files.file import AsicFile, FileKind, VisibilityEnum
+
+logger = logging.getLogger(__name__)
+
+FORMAT = {
+    "type": "csv",
+    "sep": ";",
+    "encoding": "cp1252",
+    "dt_fields": {},
+    "dtype": {"CONCEPTO": str, "DESCRIPCION": str, "VALOR": float},
+}
+
+
+class PME(AsicFile):
+    kind = FileKind.PME
+    visibility = VisibilityEnum.PUBLIC
+    name_pattern = "(?P<kind>PME)(?P<ordinance>140)(?P<name_month>[0-9]{2}).(?P<ext_versioned>[a-zA-Z0-9]+)"
+    location_pattern = "/informacion_xm/publicok/sic/comercia/(?P<location_year>[0-9]{4})-(?P<location_month>[0-9]{2})/"
+    description = ""  # TODO
+
+    _format = FORMAT
+
+    @property
+    def path(self) -> PureWindowsPath:
+        return self._path
+
+    @property
+    def year(self) -> int:
+        return self._year
+
+    @property
+    def month(self) -> int:
+        return self._month
+
+    @property
+    def day(self) -> int | None:
+        return self._day
+
+    @property
+    def extension(self) -> str:
+        return self._extension
+
+    @property
+    def version(self) -> str | None:
+        return self._version
+
+    @property
+    def agent(self) -> str | None:
+        return self._agent
+
+    def preprocess(self, target: Path | BytesIO | StringIO) -> pd.DataFrame:
+        """
+        PME: se publica un archivo mensual.
+        versiones: TXA
+        AGENTE:
+          SISTEMA: el precio de escacez de activación
+        """
+        total = self.read(target)
+        total["MES"] = f"{self.year:04d}-{self.month:02d}"
+
+        return_cols = ["MES", "CONCEPTO", "DESCRIPCION", "VALOR"]
+        return total[return_cols]
diff --git a/src/asic/files/definitions/trsd.py b/src/asic/files/definitions/trsd.py
new file mode 100644
index 0000000..ad69e77
--- /dev/null
+++ b/src/asic/files/definitions/trsd.py
@@ -0,0 +1,106 @@
+import logging
+from io import BytesIO, StringIO
+from pathlib import Path, PureWindowsPath
+
+# Third party imports
+import pandas as pd
+
+# Local application imports
+from asic.files.file import AsicFile, FileKind, VisibilityEnum
+
+logger = logging.getLogger(__name__)
+
+FORMAT = {
+    "type": "csv",
+    "sep": ";",
+    "encoding": "cp1252",
+    "dt_fields": {},
+    "dtype": {
+        "CODIGO": str,
+        "CONTENIDO": str,
+        "HORA 01": float,
+        "HORA 02": float,
+        "HORA 03": float,
+        "HORA 04": float,
+        "HORA 05": float,
+        "HORA 06": float,
+        "HORA 07": float,
+        "HORA 08": float,
+        "HORA 09": float,
+        "HORA 10": float,
+        "HORA 11": float,
+        "HORA 12": float,
+        "HORA 13": float,
+        "HORA 14": float,
+        "HORA 15": float,
+        "HORA 16": float,
+        "HORA 17": float,
+        "HORA 18": float,
+        "HORA 19": float,
+        "HORA 20": float,
+        "HORA 21": float,
+        "HORA 22": float,
+        "HORA 23": float,
+        "HORA 24": float,
+    },
+}
+
+
+class TRSD(AsicFile):
+    kind = FileKind.TRSD
+    visibility = VisibilityEnum.PUBLIC
+    name_pattern = "(?P<kind>trsd)(?P<name_month>[0-9]{2})(?P<name_day>[0-9]{2}).(?P<ext_versioned>[a-zA-Z0-9]+)"
+    location_pattern = "/informacion_xm/publicok/sic/comercia/(?P<location_year>[0-9]{4})-(?P<location_month>[0-9]{2})/"
+    description = ""  # TODO
+
+    _format = FORMAT
+
+    @property
+    def path(self) -> PureWindowsPath:
+        return self._path
+
+    @property
+    def year(self) -> int:
+        return self._year
+
+    @property
+    def month(self) -> int:
+        return self._month
+
+    @property
+    def day(self) -> int | None:
+        return self._day
+
+    @property
+    def extension(self) -> str:
+        return self._extension
+
+    @property
+    def version(self) -> str | None:
+        return self._version
+
+    @property
+    def agent(self) -> str | None:
+        return self._agent
+
+    def preprocess(self, target: Path | BytesIO | StringIO) -> pd.DataFrame:
+        """
+        trsd: se publica un archivo por día.
+        versiones: TX1, TX2, TXR y TXF
+        PBNA: Precio de bolsa nacional
+        """
+        total = self.read(target)
+        total["FECHA"] = f"{self.year:04d}-{self.month:02d}-{self.day:02d}"
+        total["FECHA"] = pd.to_datetime(
+            total["FECHA"],
+            format="%Y-%m-%d",
+        )
+        total = total.set_index(["CODIGO", "CONTENIDO", "FECHA"]).stack().reset_index()
+        total = total.rename(columns={"level_3": "NOMBRE HORA", 0: "PRECIO"})
+        total["HORA"] = (total["NOMBRE HORA"].str.slice(start=-2)).astype(int) - 1
+        total["HORA"] = pd.to_timedelta(total["HORA"], unit="h")
+        total["FECHA_HORA"] = total["FECHA"] + total["HORA"]
+        total["HORA"] = total["FECHA_HORA"].dt.strftime("%H:%M:%S")
+        total["FECHA"] = total["FECHA"].dt.date
+        ret_cols = ["FECHA_HORA", "CODIGO", "CONTENIDO", "PRECIO"]
+        return total[ret_cols]
diff --git a/src/asic/files/file.py b/src/asic/files/file.py
index 692353b..938f59d 100644
--- a/src/asic/files/file.py
+++ b/src/asic/files/file.py
@@ -1,7 +1,8 @@
 import enum
-import pathlib
 import re
 from abc import ABC, abstractmethod
+from io import BytesIO, StringIO
+from pathlib import Path, PureWindowsPath
 
 import pandas as pd
 import pydantic
@@ -60,19 +61,19 @@ class FileKind(str, enum.Enum):
     ADEM = "adem"
     AENC = "aenc"
     BALCTTOS = "balcttos"
+    PEP = "pep"
+    PME = "PME"
+    TRSD = "trsd"
 
     # TGRL = "tgrl"
     # TRSM = "trsm"
     # LDCBMR = "ldcbmr"
-    # PEP = "pep"
-    # TRSD = "trsd"
     # SNTIE = "sntie"
     # DSPCTTOS = "dspcttos"
     # PUBFC = "pubfc"
     # PUBFC_FALLA_HURTO = "pubfc_falla-hurto"
     # TFROC = "tfroc"
     # CLIQ = "cliq"
-
     # DESBM = "desbm"
     # DESBMEX = "desbmex"
     # OEFAGNCH = "oefagnch"
@@ -85,12 +86,12 @@ class AsicFileMetadataInput(pydantic.BaseModel):
     month: int
     day: int | None = None
     extension: str
-    version: str | None = pydantic.Field(None, pattern=r"^[0-9]{3}$")
+    version: str | None = pydantic.Field(None, pattern=r"^[-]?[0-9]{3}$")
     agent: str | None = pydantic.Field(None, pattern=r"^[a-z]{4}$")
 
 
 class AsicFileMetadata(AsicFileMetadataInput):
-    remote_path: pathlib.PureWindowsPath
+    remote_path: PureWindowsPath
     kind: FileKind
 
 
@@ -108,7 +109,7 @@ class AsicFile(ABC):
 
     @property
     @abstractmethod
-    def path(self) -> pathlib.PureWindowsPath:
+    def path(self) -> PureWindowsPath:
         pass
 
     @property
@@ -142,7 +143,7 @@ def agent(self) -> str | None:
         pass
 
     @abstractmethod
-    def preprocess(self, filepath: pathlib.Path) -> pd.DataFrame:
+    def preprocess(self, target: Path | BytesIO | StringIO) -> pd.DataFrame:
         pass
 
     @property
@@ -152,27 +153,27 @@ def _format(self) -> dict:
 
     def __init__(
         self,
-        path: pathlib.PureWindowsPath,
+        path: PureWindowsPath,
         year: int,
         month: int,
+        extension: str,
         day: int | None = None,
-        extension: str | None = None,
         version: str | None = None,
         agent: str | None = None,
     ) -> None:
-        self._path: pathlib.PureWindowsPath = path
+        self._path: PureWindowsPath = path
         self._year: int = year
         self._month: int = month
         self._day: int | None = day
-        self._extension: str | None = extension
+        self._extension: str = extension
         self._version: str | None = version
         self._agent: str | None = agent
         self.reader = FileReader(self._format)
         self.name_template = pattern_to_template(self.name_pattern)
         self.location_template = pattern_to_template(self.location_pattern)
 
-    def read(self, local_path: pathlib.Path) -> pd.DataFrame:
-        return self.reader.read(local_path)
+    def read(self, target: str | Path | StringIO | BytesIO) -> pd.DataFrame:
+        return self.reader.read(target)
 
     @property
     def metadata(self) -> AsicFileMetadata:
@@ -188,14 +189,14 @@ def metadata(self) -> AsicFileMetadata:
         )
 
     @classmethod
-    def from_remote_path(cls, remote_path: pathlib.PureWindowsPath) -> Self:
+    def from_remote_path(cls, remote_path: PureWindowsPath) -> Self:
         path_metadata = cls.extract_metadata_from_remote_path(remote_path)
         file = cls(path=remote_path, **path_metadata.model_dump())
         return file
 
     @classmethod
     def extract_metadata_from_remote_path(
-        cls, file_path: pathlib.PureWindowsPath
+        cls, file_path: PureWindowsPath
     ) -> AsicFileMetadataInput:
         file_path_as_posix = file_path.as_posix()
         path_pattern = cls.location_pattern + cls.name_pattern
diff --git a/src/asic/publication.py b/src/asic/publication.py
index d4ca388..89bfac0 100644
--- a/src/asic/publication.py
+++ b/src/asic/publication.py
@@ -27,7 +27,7 @@ class ASICVersionPublication(pydantic.BaseModel):
     "Chrome/80.0.3987.149 Safari/537.36"
 )
 ASIC_MONTHLY_VERSION_PUBLICATION_SERVICE: dict[str, typing.Any] = {
-    "url": "http://sv01.xm.com.co/gmem/Admon_Mcdo/Liquidacion/versionesliq.htm",
+    "url": "https://neptuno.xm.com.co/Admon_Mcdo/Liquidacion/versionesliq.htm",
     "table-index": 1,
     "encoding": "cp1252",
     "month_settlement_format": r"%b %Y",
@@ -70,7 +70,7 @@ def get_monthly_pubs_table() -> pd.DataFrame:
     table_index: int = ASIC_MONTHLY_VERSION_PUBLICATION_SERVICE["table-index"]
 
     logger.debug(f"Getting content from '{url}'")
-    res = requests.get(url, headers=headers)
+    res = requests.get(url, headers=headers, verify=False)
     res.raise_for_status()
 
     html_text = typing.cast(str, res.content)
diff --git a/src/asic/reader.py b/src/asic/reader.py
index 3e50e2d..45ecef4 100644
--- a/src/asic/reader.py
+++ b/src/asic/reader.py
@@ -1,8 +1,7 @@
 # Standard library imports
 import logging
-from io import StringIO
+from io import BytesIO, StringIO
 from pathlib import Path
-from typing import Union
 
 # Third party imports
 import pandas as pd
@@ -21,7 +20,7 @@ def __init__(self, file_def: dict) -> None:
         logger.debug(f"Creating FileReader with file definition:\n{file_def}")
         self.file_def = file_def
 
-    def read(self, target: Union[str, Path, StringIO]) -> pd.DataFrame:
+    def read(self, target: str | Path | StringIO | BytesIO) -> pd.DataFrame:
         """Reads DataFrame from target."""
         _def = self.file_def.copy()
         file_type = _def.pop("type", None)
@@ -33,7 +32,6 @@ def read(self, target: Union[str, Path, StringIO]) -> pd.DataFrame:
             res = pd.read_csv(target, **_def)
 
         elif file_type in ["xls", "xlsx"]:
-            _encoding = _def.pop("encoding")
             if "sheet_name" in _def:
                 res = pd.read_excel(str(target), **_def)
             else:
diff --git a/tests/INFORMACION_XM/PUBLICOK/SIC/COMERCIA/2023-10/PME14001.txa b/tests/INFORMACION_XM/PUBLICOK/SIC/COMERCIA/2023-10/PME14001.txa
new file mode 100644
index 0000000..226a95a
--- /dev/null
+++ b/tests/INFORMACION_XM/PUBLICOK/SIC/COMERCIA/2023-10/PME14001.txa
@@ -0,0 +1,60 @@
+CONCEPTO;DESCRIPCION;VALOR
+ACPM;Heat Rate Reportado Por La Planta TDR1 ;10.4674
+ACPM;Heat Rate Reportado Por La Planta TEC1 ;7.1852
+ACPM;Heat Rate Reportado Por La Planta TRN1 ;8.45
+ACPM;Heat Rate Reportado Por La Planta TSR1 ;7.1417
+ACPM;Heat Rate Reportado Por La Planta TVL1 ;6.5573
+CARB;Heat Rate Reportado Por La Planta GE32 ;9
+CARB;Heat Rate Reportado Por La Planta GEC3 ;10.15
+CARB;Heat Rate Reportado Por La Planta PPA1 ;12.4335
+CARB;Heat Rate Reportado Por La Planta PPA2 ;10.5569
+CARB;Heat Rate Reportado Por La Planta PPA3 ;10.4642
+CARB;Heat Rate Reportado Por La Planta PPA4 ;8.6485
+CARB;Heat Rate Reportado Por La Planta TGJ1 ;10
+CARB;Heat Rate Reportado Por La Planta TGJ2 ;9.8
+CARB;Heat Rate Reportado Por La Planta TSJ1 ;9.2374
+CARB;Heat Rate Reportado Por La Planta TSJ2 ;10.1502
+CARB;Heat Rate Reportado Por La Planta ZPA2 ;11.4401
+CARB;Heat Rate Reportado Por La Planta ZPA3 ;11.7024
+CARB;Heat Rate Reportado Por La Planta ZPA4 ;12.9999
+CARB;Heat Rate Reportado Por La Planta ZPA5 ;12.6678
+CRUD;Heat Rate Reportado Por La Planta JAG1 ;8.0091
+CRUD;Heat Rate Reportado Por La Planta RUB1 ;8.0091
+FOIL;Heat Rate Reportado Por La Planta CTG1 ;13.665
+FOIL;Heat Rate Reportado Por La Planta CTG2 ;11.5167
+FOIL;Heat Rate Reportado Por La Planta CTG3 ;13.8215
+GANI;Heat Rate Reportado Por La Planta TBQ3 ;10.4846
+GANI;Heat Rate Reportado Por La Planta TBQ4 ;11.6696
+GANI;Heat Rate Reportado Por La Planta TBST ;7.1898
+GANI;Heat Rate Reportado Por La Planta TCD1 ;10.2925
+GANI;Heat Rate Reportado Por La Planta TCD2 ;10.0884
+GANI;Heat Rate Reportado Por La Planta TCDT ;6.685
+GANI;Heat Rate Reportado Por La Planta TFL1 ;7.267
+GANI;Heat Rate Reportado Por La Planta TFL4 ;7.0066
+GASN;Heat Rate Reportado Por La Planta 3ENA ;7.5166
+GASN;Heat Rate Reportado Por La Planta MRL1 ;9.0003
+GASN;Heat Rate Reportado Por La Planta PRG1 ;8.1666
+GASN;Heat Rate Reportado Por La Planta TRM1 ;7.6331
+GASN;Heat Rate Reportado Por La Planta TSR1 ;6.7852
+GASN;Heat Rate Reportado Por La Planta TYP1 ;13.5516
+GASN;Heat Rate Reportado Por La Planta TYP2 ;12.0234
+GASN;Heat Rate Reportado Por La Planta TYP3 ;8.4932
+GASN;Heat Rate Reportado Por La Planta TYP4 ;8.3937
+GASN;Heat Rate Reportado Por La Planta TYP5 ;8.0585
+GSLP;Heat Rate Reportado Por La Planta TCBE ;8.42
+MDMA;Heat Rate Reportado Por La Planta TRN1 ;8.45
+PE;Precio Escasez ;778.9951119672
+PEA;PRECIO ESCASEZ DE ACTIVACIÓN ;1144.04343630868563442014268458332081211
+PME;PRECIO MARGINAL DE ESCASEZ ;1144.04343630868563442014268458332081211
+SISTEMA;Costo De Operacion Y Mantenimiento CARB ;32.3404903661
+SISTEMA;Costo De Operacion Y Mantenimiento GASN ;15.7732519268
+SISTEMA;Costo De Operacion Y Mantenimiento OTRO ;24.0588429672
+SISTEMA;Costo Referencia Por Tipo Combustible [$/Mbtu] ACPM ;143684.030498323
+SISTEMA;Costo Referencia Por Tipo Combustible [$/Mbtu] CARB ;15360.5684598475985294117647058823529412
+SISTEMA;Costo Referencia Por Tipo Combustible [$/Mbtu] CRUD ;52300.541045
+SISTEMA;Costo Referencia Por Tipo Combustible [$/Mbtu] FOIL ;75739
+SISTEMA;Costo Referencia Por Tipo Combustible [$/Mbtu] GANI ;68439.8971085714285714285714285714285714
+SISTEMA;Costo Referencia Por Tipo Combustible [$/Mbtu] GASN ;44722.0125687006
+SISTEMA;Costo Referencia Por Tipo Combustible [$/Mbtu] GSLP ;.00002
+SISTEMA;Otros Costos Variables Hidráulicos ;90.7265974049352148201426845833208121139
+SISTEMA;Otros Costos Variables Termicos ;87.5860974049352148201426845833208121139
diff --git a/tests/INFORMACION_XM/PUBLICOK/SIC/COMERCIA/2023-10/pep1001.tx1 b/tests/INFORMACION_XM/PUBLICOK/SIC/COMERCIA/2023-10/pep1001.tx1
index a5ca9c2..96fc957 100644
--- a/tests/INFORMACION_XM/PUBLICOK/SIC/COMERCIA/2023-10/pep1001.tx1
+++ b/tests/INFORMACION_XM/PUBLICOK/SIC/COMERCIA/2023-10/pep1001.tx1
@@ -1,2 +1,24 @@
-AGENTE;VALOR PE
-SISTEMA;0
+AGENTE;VALOR PE
+CHVG;1144.0434363
+EMUG;1144.0434363
+ENDG;1096.1854645
+EPMG;1068.1930556
+EPSG;1139.5240051
+GECG;1144.0434363
+HDPG;860.7375742
+HIMG;1144.0434363
+ISGG;984.1067685
+PRIG;1144.0434363
+SISTEMA;1092.3653461
+SLMG;1144.0434363
+SOCG;1144.0434363
+TBSG;1144.0434363
+TCBG;1144.0434363
+TCIG;1144.0434363
+TEMG;1144.0434363
+TERG;801.5377949
+TMFG;1144.0434363
+TMNG;813.7457986
+TMVG;1144.0434363
+TRMG;1144.0434363
+TYPG;1144.0434363
diff --git a/tests/conftest.py b/tests/conftest.py
index 968b6ef..dd993bc 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -50,4 +50,37 @@
         "version": "001",
         "agent": "xxxc",
     },
+    "pep": {
+        "path": "/INFORMACION_XM/PUBLICOK/SIC/COMERCIA/2023-10/pep1001.tx1",
+        "kind": "pep",
+        "visibility": "public",
+        "year": 2023,
+        "month": 10,
+        "day": 1,
+        "extension": ".tx1",
+        "version": "000",
+        "agent": None,
+    },
+    "PME": {
+        "path": "/INFORMACION_XM/PUBLICOK/SIC/COMERCIA/2023-10/PME14001.txa",
+        "kind": "PME",
+        "visibility": "public",
+        "year": 2023,
+        "month": 10,
+        "day": None,
+        "extension": ".txa",
+        "version": "-001",
+        "agent": None,
+    },
+    "trsd": {
+        "path": "/INFORMACION_XM/PUBLICOK/SIC/COMERCIA/2023-10/trsd1001.tx2",
+        "kind": "trsd",
+        "visibility": "public",
+        "year": 2023,
+        "month": 10,
+        "day": 1,
+        "extension": ".tx2",
+        "version": "001",
+        "agent": None,
+    },
 }
diff --git a/tests/test_pep.py b/tests/test_pep.py
new file mode 100644
index 0000000..e005073
--- /dev/null
+++ b/tests/test_pep.py
@@ -0,0 +1,40 @@
+import pathlib
+
+from asic.files.definitions.pep import PEP
+from pytest import fixture
+
+from .conftest import ALL_FILES, TESTFILES
+
+
+@fixture
+def pep_remote_path():
+    pep_path = ALL_FILES["pep"]["path"]
+    path = pathlib.PureWindowsPath(pep_path)
+    return path
+
+
+@fixture
+def pep_file(pep_remote_path):
+    path = pep_remote_path
+    file = PEP.from_remote_path(path)
+    return file
+
+
+@fixture
+def local_pep_file(pep_file: PEP, datafiles: pathlib.Path) -> pathlib.Path:
+    relative_path = pep_file.path.relative_to(pep_file.path.anchor)
+    local_file = datafiles / relative_path
+    assert local_file.is_file()
+    return local_file
+
+
+@TESTFILES
+def test_pep_read(pep_file: PEP, local_pep_file):
+    data = pep_file.read(local_pep_file)
+    assert len(data) == 23
+
+
+@TESTFILES
+def test_pep_preprocess(pep_file: PEP, local_pep_file):
+    long_data = pep_file.preprocess(local_pep_file)
+    assert len(long_data) == 23
diff --git a/tests/test_pme.py b/tests/test_pme.py
new file mode 100644
index 0000000..96e3ce6
--- /dev/null
+++ b/tests/test_pme.py
@@ -0,0 +1,40 @@
+import pathlib
+
+from asic.files.definitions.pme import PME
+from pytest import fixture
+
+from .conftest import ALL_FILES, TESTFILES
+
+
+@fixture
+def PME_remote_path():
+    PME_path = ALL_FILES["PME"]["path"]
+    path = pathlib.PureWindowsPath(PME_path)
+    return path
+
+
+@fixture
+def PME_file(PME_remote_path):
+    path = PME_remote_path
+    file = PME.from_remote_path(path)
+    return file
+
+
+@fixture
+def local_PME_file(PME_file: PME, datafiles: pathlib.Path) -> pathlib.Path:
+    relative_path = PME_file.path.relative_to(PME_file.path.anchor)
+    local_file = datafiles / relative_path
+    assert local_file.is_file()
+    return local_file
+
+
+@TESTFILES
+def test_PME_read(PME_file: PME, local_PME_file):
+    data = PME_file.read(local_PME_file)
+    assert len(data) == 59
+
+
+@TESTFILES
+def test_PME_preprocess(PME_file: PME, local_PME_file):
+    long_data = PME_file.preprocess(local_PME_file)
+    assert len(long_data) == 59
diff --git a/tests/test_trsd.py b/tests/test_trsd.py
new file mode 100644
index 0000000..3e08b0a
--- /dev/null
+++ b/tests/test_trsd.py
@@ -0,0 +1,40 @@
+import pathlib
+
+from asic.files.definitions.trsd import TRSD
+from pytest import fixture
+
+from .conftest import ALL_FILES, TESTFILES
+
+
+@fixture
+def trsd_remote_path():
+    trsd_path = ALL_FILES["trsd"]["path"]
+    path = pathlib.PureWindowsPath(trsd_path)
+    return path
+
+
+@fixture
+def trsd_file(trsd_remote_path):
+    path = trsd_remote_path
+    file = TRSD.from_remote_path(path)
+    return file
+
+
+@fixture
+def local_trsd_file(trsd_file: TRSD, datafiles: pathlib.Path) -> pathlib.Path:
+    relative_path = trsd_file.path.relative_to(trsd_file.path.anchor)
+    local_file = datafiles / relative_path
+    assert local_file.is_file()
+    return local_file
+
+
+@TESTFILES
+def test_trsd_read(trsd_file: TRSD, local_trsd_file):
+    data = trsd_file.read(local_trsd_file)
+    assert len(data) == 33
+
+
+@TESTFILES
+def test_trsd_preprocess(trsd_file: TRSD, local_trsd_file):
+    long_data = trsd_file.preprocess(local_trsd_file)
+    assert len(long_data) == 720