(1) An undertaking guilty of an offence under section 6 (being an offence involving an agreement, decision or concerted practice to which subsection (2) of that section applies) shall be liable -

(a) on summary conviction -

(i) in the case of an undertaking that is not an individual, to a class A fine, or

(ii) in the case of an individual, to such a fine or to imprisonment for a term not exceeding 6 months or to both such fine and such imprisonment,

(b) on conviction on indictment -

(i) in the case of an undertaking that is not an individual, to a fine not exceeding the greater of €50,000,000, or 20 per cent of the turnover of the undertaking in the financial year ending in the 12 months prior to the conviction, or