(1)  If a planning authority fails to comply with a provision of this Part within the period referred to in that provision –

(a) the Commission may assume the responsibilities and obligations of the planning authority under this Part; and

(b) the planning authority must pay to the Commission all costs incurred by the Commission in assuming the responsibilities and obligations of the planning authority under this Part.

(2)  The failure to comply with a provision of this Part within the period referred to in the provision does not invalidate an LPS, or a Special LPS, approved by the Commission under this Part.