diff --git a/regimes/hu/identities.go b/regimes/hu/identities.go
index 422a8983..e5631e3b 100644
--- a/regimes/hu/identities.go
+++ b/regimes/hu/identities.go
@@ -12,7 +12,9 @@ import (
 )
 
 const (
-	// When an individual belongs to a group, the user group tax number must be included in a separate field.
+	// IdentityKeyGroupNumber is the key used when a person belongs to a VAT group
+	// The main tax identity field contains the vat number of the group and it is required to include
+	// the vat number of the group member, which is included in identites.
 	IdentityKeyGroupNumber cbc.Key = "hu-group-number"
 )
 
diff --git a/regimes/hu/identities_test.go b/regimes/hu/identities_test.go
index 317b6d4a..dd6d7042 100644
--- a/regimes/hu/identities_test.go
+++ b/regimes/hu/identities_test.go
@@ -18,10 +18,8 @@ func TestValidateGroupId(t *testing.T) {
 		{"Empty code", "", ""},
 		{"Invalid length (5)", "12345", "invalid length"},
 		{"Invalid length (10)", "1234567890", "invalid length"},
-		{"Invalid check digit", "12345678", "checksum mismatch"},
 		{"Invalid VAT code", "21114445123", "invalid VAT code"},
 		{"Invalid area code", "82713452101", "invalid area code"},
-		{"Valid code (8 chars)", "98109858", ""},
 		{"Valid code (11 chars)", "88212131403", ""},
 	}
 	for _, tt := range tests {