Update lesson01.mdx

Add prefix content
GSA · Jan 30, 2025 · 059487b · 059487b
1 parent a8143fd
commit 059487b
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/training-front-end/src/content/training_purchase/lesson01.mdx b/training-front-end/src/content/training_purchase/lesson01.mdx
@@ -113,5 +113,7 @@ GSA SmartPay Purchase cards/accounts use the following prefixes:
 
 | Brand      | Card Prefix      |
 | ---------- | ---------------- |
-| Visa       | 4614, 4715, 4716       |
+| Visa       | 4614, 4715*, 4716       |
 | Mastercard | 5565, 5568       |
+
+*This 4-digit prefix is only used by the United States Postal Service (USPS) Uniform Allowance Program (UAP) through the GSA SmartPay program.