Schedules of Controlled Substances: Temporary Placement of Isotonitazene in Schedule I

Food Additives Permitted in Feed and Drinking Water of Animals; Spent Bleaching Clay

Freedom of Information Act

Schedules of Controlled Substances: Placement of para-Methoxymethamphetamine (PMMA) in Schedule I

Schedules of Controlled Substances: Placement of Zipeprol in Schedule I

Criteria for Designation of Emerging Drug Threats in the United States

GNT USA, Inc.; Filing of Color Additive Petition

Biomin GmbH; Filing of Food Additive Petition (Animal Use)

Adisseo France S.A.S.; Filing of Food Additive Petition (Animal Use)

Food Standards; General Principles and Food Standards Modernization; Extension of Comment Period

Cheeses and Related Cheese Products; Proposal To Permit the Use of Ultrafiltered Milk; Reopening the Comment Period

Laboratory Accreditation for Analyses of Foods; Extension of Comment Period

Schedules of Controlled Substances: Placement of 4,4′-DMAR in Schedule I

Control of the Immediate Precursor Norfentanyl Used in the Illicit Manufacture of Fentanyl as a Schedule II Controlled Substance

Use of Fecal Microbiota for Transplantation to Treat Clostridium difficile

Microbiology Devices; Reclassification of Certain Hepatitis C Virus Antibody Assays Devices, To Be Renamed Hepatitis C Virus Antibody Tests

Amendments to the List of Bulk Drug Substances That Can Be Used to Compound Drug Products in Accordance With Section 503A of the Federal Food, Drug, and Cosmetic Act

Microbiology Devices; Reclassification of Nucleic Acid-Based Hepatitis C Virus Ribonucleic Acid Assay Devices, To Be Renamed Nucleic Acid-Based Hepatitis C Virus Ribonucleic Acid Tests

Controls To Enhance the Cultivation of Marihuana for Research in the United States

Registration and Reregistration Fees for Controlled Substance and List I Chemical Registrants

Premarket Tobacco Product Applications and Recordkeeping Requirements; Reopening of the Comment Period

Laboratory Accreditation for Analyses of Foods; Extension of Comment Period

Unilever; Filing of Food Additive Petition

Registration Requirements for Narcotic Treatment Programs With Mobile Components

Microbiology Devices; Reclassification of Human Immunodeficiency Virus Serological Diagnostic and Supplemental Tests and Human Immunodeficiency Virus Nucleic Acid Diagnostic and Supplemental Tests

Food Standards; General Principles and Food Standards Modernization; Reopening of the Comment Period

LANXESS Corporation; Filing of Food Additive Petition (Animal Use)

Schedules of Controlled Substances: Placement of cyclopentyl fentanyl, isobutyryl fentanyl, para-chloroisobutyryl fentanyl, para-methoxybutyryl fentanyl, and valeryl fentanyl Into Schedule I

Cheeses and Related Cheese Products; Proposal To Permit the Use of Ultrafiltered Milk; Reopening the Comment Period

Importation of Prescription Drugs

Revised Procedures for the Announcement of Approvals and Denials of Premarket Approval Applications and Humanitarian Device Exemption Applications

Alzchem Trostberg GmbH; Filing of Food Additive Petition (Animal Use)

Zinpro Corp.; Filing of Food Additive Petition (Animal Use)

Premarket Tobacco Product Applications and Recordkeeping Requirements; Reopening of the Comment Period

Tobacco Products; Required Warnings for Cigarette Packages and Advertisements; Additional Materials; Reopening of the Comment Period

Laboratory Accreditation for Analyses of Foods

Schedules of Controlled Substances: Placement of FUB-AMB in Schedule I

Management of Quotas for Controlled Substances and List I Chemicals

Hazard Analysis and Risk-Based Preventive Controls for Human Food; Draft Guidance for Industry; Availability

Evonik Corp.; Filing of Food Additive Petition (Animal Use)

Premarket Tobacco Product Applications and Recordkeeping Requirements

Addition of a New Method for the Analysis of Sulfites in Foods

Designation of Benzylfentanyl and 4-Anilinopiperidine, Precursor Chemicals Used in the Illicit Manufacture of Fentanyl, as List I Chemicals

Standards for Future Opioid Analgesic Approvals and Incentives for New Therapeutics To Treat Pain and Addiction; Public Hearing; Correction

Schedules of Controlled Substances: Removal of 6β-naltrexol From Control

Tobacco Products; Required Warnings for Cigarette Packages and Advertisements

Kellogg Company; Filing of Food Additive Petition

The Use of an Alternate Name for Potassium Chloride in Food Labeling; Draft Guidance for Industry; Extension of Comment Period

Biologics License Applications and Master Files