更多关于食品添加剂的法规，请详见美国FDA 21 CFR 第570部分关于食品添加剂的法规汇总。
§ 570.13 Indirect food additives resulting from packaging materials prior sanctioned for animal feed and pet food.
Regulations providing for the use of food packaging materials as prior sanctioned in part 181 of this chapter are incorporated in Subchapter E as applicable to packaging materials used for animal feed and pet food.
[42 FR 14091, Mar. 15, 1977]