1. 21 CFR 121, US Code of Federal Regulations. 21 CFR PART 121. Mitigation Strategies to Protect Food Against Intentional Adulteration, US Code of Federal Regulations, Chapter 21 Food and Drugs.
2. 21 CFR 50 (A) (.3)(k), US Code of Federal Regulations. PART 50 – Protection of Human Subjects, Subpart A–General Provisions Sec. 50.3 Definitions, Chapter 21 Food and Drugs.
3. 21 CFR, US Code of Federal Regulations. "Chapter 21 Food and Drugs.
4. 21 USC, US Code. "Federal Food, Drug, and Cosmetic Act (FD&C Act), Chapter 21-Food and Drugs.
5. Organizational Resilience: Security, preparedness, and continuity management systems – requirements with guidance for use;ANSI, American National Standards Institute,2009