fix: French VAT checksum failing for leading zero

koblas · Jun 3, 2024 · 0e53e14 · 0e53e14
1 parent 0d07ecd
commit 0e53e14
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/fr/tva.ts b/src/fr/tva.ts
@@ -80,7 +80,8 @@ const impl: Validator = {
     if (strings.isdigits(check)) {
       const sum = (12 + 3 * (parseInt(back, 10) % 97)) % 97;
 
-      if (String(sum) !== check) {
+      const stringSum = String(sum).padStart(2, '0');
+      if (stringSum !== check) {
         return { isValid: false, error: new exceptions.InvalidChecksum() };
       }
     } else {