from time to time consult the Secretary of State as to the classes and descriptions of advertisements which must not be broadcast on S4C F3Digital and the methods of advertising or sponsorship which must not be employed in, or in connection with, the provision of S4C F4Digital;

from time to time consult the Secretary of State as to the forms and methods of product placement that should not be employed in the provision of S4C F6Digital (including the descriptions of products, services or trade marks for which product placement should not be employed); and

carry out any directions which he may give to them in respect of such matters.