10. — (1) Where, on the date of the coming into operation of this section, no litter management plan within the meaning of section 11 has been made and implemented in respect of the functional area of a local authority, the local authority shall, within 6 months after this section comes into operation—

(a) make and implement a litter management plan in respect of its functional area, or

(b) make and implement jointly with one or more other local authorities, a litter management plan a part of which relates to the functional area of each of the local authorities.

(2) A local authority shall review its litter management plan at least once in each period of 3 years after the plan is first implemented and, if the local authority deems it necessary after the review, shall amend or replace the plan.

(3) A local authority shall, not later than the thirty-first day of March, 1998, and that date in each year thereafter, prepare a report for consideration by the council or corporation, as the case may be, on the operation of this Act in the functional area of the local authority indicating the measures taken by the local authority in the previous calendar year in relation to the prevention and control of litter.

(4) Without prejudice to the generality of subsection (3), a report under that subsection shall assess—

(a) all litter prevention and control programmes undertaken,

(b) the extent of enforcement action taken under this Act,

(c) the extent to which measures were taken to promote public awareness, including educational and information measures, and

(d) the co-operation and assistance given by persons other than the local authority for the purposes of preventing and controlling litter.