Volunteer Service Act Article 12

Volunteer service exercisers shall grant volunteer service certificates and service record books to their volunteers. Regulations on management of the above-mentioned volunteer service certificates and service record books will be prescribed by the central competent authority.
中文原文 志願服務法第12條
志願服務運用單位對其志工應發給志願服務證及服務紀錄冊。
前項志願服務證及服務紀錄冊之管理辦法,由中央主管機關定之。

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