4. (1) A person guilty of an offence (other than an offence under paragraph (a), (b) or (c) of section 2(1) or under section 3(1)) under this Act shall be liable—

(a) on summary conviction, to a class A fine or imprisonment for a term not exceeding 12 months or both, or

(b) on conviction on indictment, to a fine or imprisonment for a term not exceeding 30 years or both.

(2) A person guilty of an offence under paragraph (a), (b) or (c) of section 2(1) or under section 3(1) shall be liable on conviction on indictment to a fine or imprisonment for a term not exceeding 30 years or both.