Amendment, adoption or change of this bylaw may be initiated by the submission to the Board of Selectmen of a proposed zoning ordinance or bylaw by the Board of Selectmen, a board of appeals, planning board, regional planning agency, by an individual owning land to be affected by change or adoption, or by request of registered voters pursuant to MGL c. 39, § 10. The Board of Selectmen shall, within 14 days of receipt of such proposed zoning ordinance or bylaw, submit it to the Planning Board for a public hearing.