11.— (1) It shall be an offence for a person to forge or utter knowing it to be forged a certificate or other document purporting to be issued under this Act (in this section referred to as “a forged document”).

(2) It shall be an offence for a person to alter with intent to defraud or deceive, or to utter knowing it to be so altered, a certificate or other document issued under this Act (in this section referred to as “an altered document”).

(3) It shall be an offence for a person to have, without lawful authority, in his or her possession a forged document or an altered document.

(4) It shall be an offence for a person to aid or abet the commission of an offence under this section.

(5) A person guilty of an offence under this section shall be liable—

(a) on summary conviction, to a class A fine or to imprisonment for a term not exceeding 6 months or both, or

(b) on conviction on indictment, to a fine not exceeding €25,000 or to imprisonment for a term not exceeding 2 years or both.