Commentaries: Art. 21

Holders of weapons trading permits are required to maintain records on the manufacture, modification, procurement, sale or other distribution of weapons, essential or specially designed weapon components, weapon accessories, ammunition and gunpowder, and on repairs that re-establish the shooting capability of firearms.
They are required to give online notice within 20 days to the cantonal authority responsible for operating the information system (Art. 32a Abs. 2) of any procurement, sale or other distribution to an acquirer in Switzerland.¹
The cantons shall designate an authority that accepts reports from holders of weapons trading permits of suspicious transactions involving ammunition or ammunition components.²
The records and copies of the weapon acquisition permits and exemption permits (documents) must be retained for ten years.
The documents must be submitted to the cantonal authority responsible for operating the information system (Art. 32a para. 2):
1. on expiry of the retention period;
2. on giving up the trade; or
3. on revocation or withdrawal of the weapons trading permit.
The competent authority shall retain the documents for 20 years and on application grant access to the law enforcement services and judicial authorities of the cantons and the Confederation for the purpose of fulfilling their statutory duties.

Inserted by the Annex to the FD of 28 Sept. 2018 on the approval and the implementation of the exchange of notes between Switzer-land and the EU on the adoption of Directive (EU) 2017/853 on the Amendment of the EU Weapons Directive, in force since 14 Dec. 2019 (AS 2019 2415;BBl 2018 1881). ↩
Inserted by the Annex to the FD of 28 Sept. 2018 on the approval and the implementation of the exchange of notes between Switzer-land and the EU on the adoption of Directive (EU) 2017/853 on the Amendment of the EU Weapons Directive, in force since 14 Dec. 2019 (AS 2019 2415;BBl 2018 1881). ↩

Art. 21