The authority or authorities responsible for administration of a scheme under section 93 of this Act may at any time by notice in writing served on any operator who is under an obligation under section 97(2) of this Act to provide travel concessions in accordance with the scheme on journeys on any eligible service operated by him release him from that obligation in respect of that service.

Subject to the following provisions of this section, any such operator may at any time by notice in writing apply to the Secretary of State to be released from that obligation in respect of any such service on the ground that the authority or authorities responsible for administration of the scheme have failed to comply with their obligation under section 93(6) of this Act.

An operator may not make such an application unless he has given notice in writing of his intention to do so to the authority or authorities responsible for administration of the scheme not less than twenty-eight days before the date of the application.

A notice under subsection (2) or (3) above shall give particulars of any alleged failures of the authority or authorities in question to comply with their obligation under section 93(6) of which the operator complains.

On any such application the Secretary of State may, if he finds the applicant’s ground of complaint established, determine that the applicant’s obligation under section 97(2) shall cease on such date as may be specified in the determination.