(1) A registered person shall, after the end of each relevant period but not later than the relevant date, make to the Commission, in such manner and form as the Commission may require, a return covering the relevant period.

(2) Subsection (1) shall not apply to a registered person whose entry on the Register has been marked under section 11(4) with a statement indicating that the person has ceased to carry on lobbying activities.

(3) If the registered person has not carried on any lobbying activities in the period covered by the return, the return shall state that fact.

(4) If the registered person has carried on lobbying activities in the period covered by the return, the return shall state -

(a) where any of the communications concerned were made on behalf of another person (in this section referred to as a "client"), the relevant information relating to the client,

(b) the designated public officials to whom the communications concerned were made and the body by which they are employed or in which they hold any office or other position,