No contract to sell, sale or any other arrangement concerning the disposition of any such surplus properties shall be made to any person who or which carries or trades under or in any way uses in dealing with the public or intends to use in retailing the same, directly or indirectly, any name which includes the words quoted or referred to in section one of this act : Provided, however, That this section shall not apply to any establishment or business which for five years prior to the effective date of this act has utilized any such terms as a part of its trading name.
69 P.S. § 572