Local Government Act Article 31

The local legislative body may formulate self directions.Unless otherwise provided for by law or by self-government ordinances, self directions shall be promulgated by the local legislative body and submitted to the relevant higher level of government for recordation.Self directions that contravene the Constitution, laws, central government regulations promulgated in accordance with law, or higher-level self-government laws and regulations shall be nullified.
中文原文 地方制度法第31條
地方立法機關得訂定自律規則。
自律規則除法律或自治條例另有規定外,由各該立法機關發布,並報各該上級政府備查。
自律規則與憲法、法律、中央法規或上級自治法規牴觸者,無效。

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