【正文】
7。 Procedure for objections and hearings. 167。 Withdrawal of petition without prejudice. 167。 Notification for a food contact substance formulation (NFCSF). 171: FOOD ADDITIVE PETITIONS 167。 Nitrites and/or nitrates in curing premixes. 167。 Threshold of regulation for substances used in foodcontact articles. 167。 Affirmation of generally recognized as safe (GRAS) status. 167。 Safety factors to be considered. 167。 Tolerances for related food additives. 167。 Adoption of regulation on initiative of Commissioner. 167。 Opinion letters on food additive status. 167。170: FOOD ADDITIVES 167。 Definitions. 167。 Food additives in standardized foods. 167。 Exemption for investigational use and procedure for obtaining authorization to market edible products from experimental animals. 167。 General principles for evaluating the safety of food additives. 167。 Eligibility for classification as generally recognized as safe (GRAS). 167。 Determination of food additive status. 167。 Glycine (aminoacetic acid) in food for human consumption. 167。 Action on a premarket notification for a food contact substance (FCN). 167。 P