4B.— (1) If a person whose detention has been suspended under section 4(3A) fails, without reasonable excuse, to return to the Garda Síochána station concerned in accordance with subsection (3B) of section 4, he or she shall be guilty of an offence and shall be liable on summary conviction to a class A fine or to imprisonment for a term not exceeding 12 months or to both.

(2) Notwithstanding section 10(4) of the Petty Sessions (Ireland) Act 1851, summary proceedings for an offence under this section may be instituted within 2 years from the date on which the offence was committed.

(3) The provisions of this section are in addition to, and not in substitution for, the provisions of section 4A.]