Every honorably discharged serviceperson of the U.S. military service or Coast Guard of the United States, who is a resident of this state, and who is unable to procure a livelihood by manual labor, shall have the right to hawk, peddle or vend any goods, wares or merchandise or solicit trade within the township by procuring a license or registration for that purpose to be issued without cost. However, before any such serviceperson is entitled to the benefits of this chapter, he or she shall satisfy the Township Secretary of his or her disability.