Criminal Assets Bureau Act 1996
16.— (1) Where a bureau officer who is a member of the Garda Síochána has reasonable cause to suspect that a person is committing or has committed an offence under section 12, 13 or 15 or under section 94 of the Finance Act, 1983, the bureau officer may—
( a) arrest that person without warrant, or
( b) require the person to give his or her name and address, and if the person fails or refuses to do so or gives a name or address which the bureau officer reasonably suspects to be false or misleading, the bureau officer may arrest that person without warrant.
(2) A person who fails or refuses to give his or her name or address when required under this section or gives a name or address which is false or misleading, shall be guilty of an offence and shall be liable on summary conviction to a fine not exceeding F27 [ € 3,000 ].