Regulations Governing the Permission to Manufacture, Sell and Possess Police Weapons Article 6

A supplier completing the procedure set forth in article 3 shall label the name and number of the supplier on all the batons, handcuffs, electric batons and net guns. The supplier shall not make excess production and illegally market.The preceding supplier shall record the number of police weapons manufactured and clients in detail, and submit a monthly report of manufacture and sales of the prior month to a municipal or county police bureau on the 10th of each month before it is transferred to the NPA for reference.
中文原文 警械許可定製售賣持有管理辦法第6條
完成第三條程序之廠商,製造警棍、警銬或電氣警棍(棒)(電擊器)、防暴網應逐一打造廠商名稱及編號,並不得超量製造及非法推銷。
前項廠商應詳細記載警械製造數量及出售對象,於每月十日前填具上月製售月報表送經直轄市、縣(市)政府警察局轉報警政署備查。

English translation for reference only; the Chinese text prevails. Not legal advice.