13.—(1) It shall be the duty of every local authority and river purification authority to give to the Secretary of State such information as he may by notice require to enable him to fulfil the obligations imposed on him–
(a)under Article 16 of the Directive to publish every two years a situation report on the disposal of urban waste water and sludge in Scotland; and
(b)under Article 17 of the Directive to establish, update and provide the Commission with information on a programme for implementation of the Directive.
(2) Any such notice may specify the form and manner in which, the period within which or the times at which such information is to be given.