Organization Regulations on Employee Welfare Committee Article 18

For a labor union organized by workers without definite employers, it shall set up rules and comply with the Regulations to elect welfare committee members.
中文原文 職工福利委員會組織準則第18條
無一定雇主之工人組織之工會,其福利委員會委員,由工會訂定辦法推選並依本準則之規定辦理。

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