Fix el-GR isTaxID when checksum is 10

dspinellis · dspinellis · commit 421d07774131 · 2020-11-29T13:02:10.000+02:00
Add correct tax identifier to demonstrate issue and fix.

Thanks to: Panos Papadopoulos
diff --git a/src/lib/isTaxID.js b/src/lib/isTaxID.js
@@ -280,7 +280,7 @@ function elGrCheck(tin) {
   for (let i = 0; i < 8; i++) {
     checksum += digits[i] * (2 ** (8 - i));
   }
-  return checksum % 11 === digits[8];
+  return ((checksum % 11) % 10) === digits[8];
 }
 
 /*
diff --git a/test/validators.js b/test/validators.js
@@ -9571,6 +9571,7 @@ describe('Validators', () => {
       args: ['el-GR'],
       valid: [
         '758426713',
+        '032792320',
         '054100004'],
       invalid: [
         '054100005',
