diff --git a/atst/forms/financial.py b/atst/forms/financial.py
index 96dc5572..6b231306 100644
--- a/atst/forms/financial.py
+++ b/atst/forms/financial.py
@@ -24,7 +24,7 @@ PE_REGEX = re.compile(
 
 TREASURY_CODE_REGEX = re.compile(r"^0*([1-9]{4}|[1-9]{6})$")
 
-BA_CODE_REGEX = re.compile(r"^0*[1-9]{2}\w?$")
+BA_CODE_REGEX = re.compile(r"[0-9]{2}\w?$")
 
 
 def suggest_pe_id(pe_id):
diff --git a/tests/forms/test_financial.py b/tests/forms/test_financial.py
index c120c6f3..a767c882 100644
--- a/tests/forms/test_financial.py
+++ b/tests/forms/test_financial.py
@@ -57,13 +57,19 @@ def test_treasury_code_validation(input_, expected):
 @pytest.mark.parametrize(
     "input_,expected",
     [
+        ("1", False),
         ("12", True),
-        ("00012", True),
+        ("01", True),
+        ("0A", False),
+        ("A", False),
+        ("AB", False),
+        ("123", True),
+        ("012", True),
         ("12A", True),
-        ("000123", True),
-        ("00012A", True),
-        ("0001", False),
-        ("00012AB", False),
+        ("02A", True),
+        ("0012", False),
+        ("012A", False),
+        ("2AB", False),
     ],
 )
 def test_ba_code_validation(input_, expected):
diff --git a/tests/routes/test_financial_verification.py b/tests/routes/test_financial_verification.py
index d3750ef2..7748ebe8 100644
--- a/tests/routes/test_financial_verification.py
+++ b/tests/routes/test_financial_verification.py
@@ -22,7 +22,7 @@ class TestPENumberInForm:
         "office_cor": "WHS",
         "uii_ids": "1234",
         "treasury_code": "00123456",
-        "ba_code": "024A",
+        "ba_code": "02A",
     }
     extended_data = {
         "funding_type": "RDTE",