Within three months of the permanent cessation of operation of the connection works an onshore decommissioning plan must be submitted to the relevant planning authority for approval unless otherwise agreed by the relevant planning authority.

The relevant planning authority must provide its decision on the onshore decommissioning plan required under requirement 25(1) within three months of submission of such plan unless otherwise agreed by the relevant planning authority and the undertaker.

The onshore decommissioning plan must be implemented as approved.