(1) In this section -

"commitment" means an obligation on the part of an undertaking arising by virtue of a proposal put forward by it being the subject of a statement in writing by the Authority such as is mentioned in section 20(3);

"determination" means a determination of the Authority made under section 21 or 22.

(2) It shall be lawful for a court of competent jurisdiction to grant an injunction on the motion of the Authority or of any other person to enforce compliance with the terms of a commitment or a determination, for the time being in force.

(3) Subsection (2) shall not affect any other right of the Authority or other person to bring proceedings (whether civil or criminal) for the enforcement of compliance with the terms of a commitment or a determination.

(4) A person who contravenes (whether by act or omission) a provision of a commitment or a determination for the time being in force shall be guilty of an offence and shall be liable -