Approval binding. An approval of any site plan, subdivision, or variance by the appropriate approving authority under the provisions of this chapter and any conditions thereof shall be binding upon the developer/applicant and upon any subsequent heirs and/or assigns. Said approval shall not be amended or altered in any manner without prior approval from the appropriate approving authority. Failure to adhere to an approved subdivision plan, site plan, variance approval or condition of approval shall be deemed a violation of this chapter and shall be enforced by the Zoning Officer.