Upon receipt of a landowner petition proposing an amendment to this chapter or its map, Township Council may, in its discretion, refer the petition to the Planning Commission, and to the Environmental Advisory Council if it deems appropriate, for review and recommendations. In addition, Township Council may on its own initiative, by motion or resolution, refer any request to review proposed zoning ordinance amendments to the Planning Commission, and to the Environmental Advisory Council if it deems appropriate, for review and recommendation.