Referral to Planning Board. Each proposed amendment, except those initiated by the Planning Board, shall be referred to the Planning Board for an advisory report. In reporting, the Planning Board shall fully state its reasons for recommending or opposing the adoption of such proposed amendment. The Planning Board may condition its recommendation, as may be appropriate, and shall state whether such amendment is in harmony with the adopted Comprehensive Plan for the Town for land use. The Planning Board shall state its position relative to proposed zoning amendments, in writing, within 45 days of its receipt of a referral from the Town Board.