sir that' information you have is as stale as of 1988, 1991 & 1995 revision of Pakistan (weapon) arms license act for civilian entities.
After 1998 a person can have ONE National / provincial Weapons' license. At any given time he can have endorsement of 5 weapons, of unrestricted bore.
National weapon carrying permit is also known as ALL Pakistan Weapons Permit.
other class is Provincial weapon license issued by Deputy Commissioner of District same condition of 5 weapons enforced. However restriction of inter-provincial carrying apply.
an Assistant Commissioner / SP / Judicial Magistrate can always summon production of every weapon registered over weapons' license within 72 hours., for verification