(a) The owner shall have the professional engineer of record submit written notification, which is sealed, signed, and dated, to the executive director within 45 calendar days after the work is substantially completed on the construction of a proposed dam or the reconstruction, modification, enlargement, rehabilitation, alteration, or repair of an existing dam. This notification may be submitted separately from the record drawings.(b) The owner's professional engineer shall state that, to the best of the professional engineer's knowledge, the construction or reconstruction, modification, enlargement, rehabilitation, alteration, or repair was completed in substantial compliance with the approved plans and specifications and any approved construction change orders.(c) For projects excepted under §299.5 of this title (relating to Exception), the owner shall notify the executive director in writing that construction or reconstruction, modification, enlargement, rehabilitation, alteration, or repair was completed.