Section 308.2 - Certificates of genuineness to be attached to trade-marks(a) To insure the widest distribution of genuine Indian handicraft products, and to protect the various enterprises organized by individual Indian craftsmen, or by groups of Indian craftsmen, for the purpose of the production and sale of such handicraft products, the Indian Arts and Crafts Board offers each such enterprise the privilege of attaching to its trademark a certificate declaring that it is recognized by the Indian Arts and Crafts Board as an Indian enterprise dealing in genuine Indian-made handicraft products, and that its trade-mark has the approval of the Board.(b) The certificate shall consist of a border around the trade-mark bearing the words "Certified Indian Enterprise Genuine Handicrafts, U.S. Indian Arts and Crafts Board, Department of the Interior," and these words may be used wherever the trade-mark appears.