§ 503. Inclusion of property on register. The owner of private property of historic, architectural or archaeological significance, or a majority of the owners of private properties within a proposed historic district, shall be given the opportunity to concur in, or object to, the nomination of the property or proposed district for inclusion on the Pennsylvania Register of Historic Places. If the owner of the property, or a majority of the owners of the properties within the proposed historic district, object to the inclusion, the property shall not be included on the register.