Landowner curative amendments. A landowner who desires to challenge, on substantive grounds, the validity of this chapter or the Zoning Map or any provision thereof, which prohibits or restricts the use or development of land in which he/she has an interest, may submit a curative amendment to the Borough Council with a written request that his/her challenge and proposed amendment be heard and decided as provided in Section 916.1 of the Municipalities Planning Code. The procedure for landowner curative amendments shall be in accordance with Section 609.1 of the Municipalities Planning Code.