From b89a0b0229f2a98a3f3d9e337edf5794e3069eef Mon Sep 17 00:00:00 2001
From: Alexander Kireev <ak.chatman.media@gmail.com>
Date: Fri, 19 Jun 2026 02:13:34 +0700
Subject: [PATCH] fix(isIdentityCard): accept province 8 (AJK) and gender digit
 0 in PK CNIC

---
 src/lib/isIdentityCard.js | 8 ++++++--
 test/validators.test.js   | 4 ++++
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/lib/isIdentityCard.js b/src/lib/isIdentityCard.js
index 7e20064e1..a0c3defbe 100644
--- a/src/lib/isIdentityCard.js
+++ b/src/lib/isIdentityCard.js
@@ -415,8 +415,12 @@ const validators = {
     }, 0);
   },
   PK: (str) => {
-    // Pakistani National Identity Number CNIC is 13 digits
-    const CNIC = /^[1-7][0-9]{4}-[0-9]{7}-[1-9]$/;
+    // Pakistani National Identity Number CNIC is 13 digits in the form
+    // XXXXX-XXXXXXX-X. The first digit is the province/administrative-unit
+    // code 1-8 (8 = Azad Kashmir) and the last digit encodes gender, using
+    // odd digits for men and even digits (including 0) for women.
+    // https://en.wikipedia.org/wiki/CNIC_(Pakistan)
+    const CNIC = /^[1-8][0-9]{4}-[0-9]{7}-[0-9]$/;
 
     // sanitize user input
     const sanitized = str.trim();
diff --git a/test/validators.test.js b/test/validators.test.js
index 7d9d12690..07f319331 100644
--- a/test/validators.test.js
+++ b/test/validators.test.js
@@ -6685,6 +6685,10 @@ describe('Validators', () => {
           '63456-8765432-8',
           '55672-1234567-5',
           '21234-9876543-6',
+          '82345-2345678-7',
+          '81234-1234567-3',
+          '45504-4185771-0',
+          '34543-2323471-0',
         ],
         invalid: [
           '08000-1234567-5',