When directed by the Town Board, the Town Clerk shall submit a copy of the proposed amendment to the Adirondack Park Agency for a determination as to whether the proposed amendment is subject to Agency approval under Section 807 of the Adirondack Park Agency Act; the Town Clerk shall simultaneously refer such proposed amendment to the Planning Board, and where required by § 239-m of the General Municipal Law, to the County Planning Board having jurisdiction, for the report and recommendations by those bodies to the Town Board (see § 200-66).