An establishment owner holding a PRE grant may distribute carcasses and/or parts to retail customers, restaurants, or other retail establishments. Carcasses and parts therefrom that are prepared under a PRE grant to be sold through an off premise retail outlet, shall be packaged and the container marked with the slaughterer’s name, address, and the term “Exempted P.L. 90-492” in letters at least one-quarter inch in height. 25 TAC 221.12(b)(21) and 25 TAC 221.14(c)(5).