Article 18 of Weapons and Ammunition Law

A person licensed to import, trade in or repair weapons or ammunition must keep two registers. In one, he shall enter, under serial numbers, all weapons in his possession, indicating the entities from which they were received, their numbers and all identifying particulars. In the other register, he shall enter, under serial numbers, those sold or submitted for repair, their registration numbers in the register, and the purchaser's name, nationality, address, occupation, place of residence and licence number, or a statement of the reason for exemption from it. Every page of these two registers must be endorsed by the Ministry of Interior. Law Index 422 Home Page Weapons and Ammunition Law Decree-Law No. 13 of 1991 concerning Weapons, Ammunition, Bladed Weapons and Dangerous Air Weapons The Ministry of Interior shall be entitled to inspect either register whenever it wishes.