24. In the event of the abandonment of a mine or quarry, the owner of the mine or quarry shall within three months thereafter send to the inspector for the district—
(a)all such plans, drawings and sections relating to tips associated with the mine or quarry as were required to be kept by virtue of section 6 of the 1969 Act;
(b)all such other plans relating to tips associated with the mine or quarry as were required to be kept under these regulations;
(c)all such reports or records relating to tips associated with the mine or quarry as were required to be kept by virtue of regulations 13, 14(b) and 20.