Amendment of schedules of instalments
6.—(1) A billing authority may, with the agreement of its relevant major precepting authority, from time to time amend a schedule of instalments insofar as it relates to future payments, and any such amendment shall have effect from such time as is specified in the amendment.
(2) The power under paragraph (1) to amend a schedule of instalments does not extend to the amendment of any provision insofar as it relates to relevant local precepting authorities.
(3) An amended schedule of instalments shall satisfy the requirements of paragraph 1(3) to (5) of Schedule 1 to these Regulations.