Enforcement Rules for the Sexual Assault Crime Prevention Act Article 14

An offender, as defined in Article 29 of the Act, shall undergo and may not refuse to undergo photography, fingerprinting, and the sampling of deoxyribonucleic acid (DNA) conducted by a judicial police agency. If the offender has not been sampled during their period of confinement in a corrective institution, the corrective institution shall provide the necessary facilities and assistance.
中文原文 性侵害犯罪防治法施行細則第14條
本法第二十九條所定加害人應接受司法警察機關對其照相、採取指紋及採樣去氧核醣核酸,加害人於矯正機關收容期間,尚未採樣者,矯正機關應提供場地及必要之協助。

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