General manufacturing drawback rulings are designed to simplify drawback for certain common manufacturing operations. These rulings can be found in Appendix A to Customs Regulations 19 C.F.R. Part 191: General Manufacturing Drawback Ruling Under 19 U.S.C. 1313(a) (T.D. 81-234; T.D. 83-123) General Manufacturing Drawback Ruling Under 19 U.S.C. 1313(a) or 1313(b) for Agents (T.D. 81-181) General Manufacturing Drawback Ruling Under 19 U.S.C. 1313(a) for Burlap or Other Textile Material (T.D. 83-53) General Manufacturing Drawback Ruling Under 19 U.S.C. 1313(b) for Component Parts (T.D. 81-300) General Manufacturing Drawback Ruling Under 19 U.S.C. 1313(a) for Flaxseed (T.D. 83-80) General Manufacturing Drawback Ruling Under 19 U.S.C. 1313(a) for Fur Skins or Fur Skin Articles (T.D. 83-77) General Manufacturing Drawback Ruling Under 19 U.S.C. 1313(b) for Orange Juice (T.D. 85-110) General Manufacturing Drawback Ruling Under 19 U.S.C. 1313(b) for Petroleum or Petroleum Derivatives (T.D. 84-49