(1) Subject to the following provisions of this section an agreement between two or more persons which includes provision for the acquisition by any one or more of the parties to the agreement of interests in shares comprised in relevant share capital of a particular public limited company ("the target company") is an agreement to which this section applies if -
(a) it also includes provisions imposing obligations or restrictions on any one or more of the parties to the agreement with respect to their use, retention or disposal of interests in that company's shares acquired in pursuance of the agreement (whether or not together with any other interests of theirs in that company's shares to which the agreement relates); and
(b) any interest in the company's shares is in fact acquired by any of the parties in pursuance of the agreement;
and in relation to such an agreement references in this section, and in sections 74 and 75, to the target company are to the company which is the ta