51.—(1) The penalty fare provisions have effect in relation to travel on any tramcar on and after such day as the Secretary of State may specify.
(2) On the application of the promoter, or if the Secretary of State suspects on reasonable grounds that the promoter is not complying with the requirements of this Part, the Secretary of State may provide that the penalty fare provisions cease to have effect on and after such day as the Secretary of State may specify.
(3) Paragraph (2) does not affect the power of the Secretary of State to specify further days on and after which the penalty fare provisions have effect.
(4) Any day specified by the Secretary of State for the purposes of paragraph (1) or (2) must be published in a newspaper circulating in the promoter’s area not later than one week before that date.
(5) No day may be specified under paragraph (1) except at the request of the promoter.