7A.—An undertaking shall not be prosecuted for an offence under section 6 unless the offence—

(a) relates to agreements between undertakings, decisions by associations of undertakings or concerted practices, and

(b) involves—

(i) price fixing,

(ii) market sharing,

(iii) output restrictions,

(iv) bid-rigging,

(v) collective boycott agreements,

(vi) sharing information concerning future prices and future quantities of production, or

(vii) restricting the ability of undertakings to carry out research and development or to continue to use their own technology for future research and development.]