Complaints about advertisements
4.—(1) Subject to paragraph (2), the Health Ministers shall consider any complaint made to them, other than a complaint to which regulation 5 applies or which it is the duty of a complaints authority to consider under regulations 9(1) or 10(1), that an advertisement, whether or not it has yet been published, may be in breach of the Advertising Regulations.
(2) The Health Ministers shall not proceed with the consideration of any complaint which appears to them to be frivolous or vexatious.
(3) In exercising the powers conferred on them by these Regulations the Health Ministers shall have regard to all the interests involved and in particular the public interest.