The document provides an overview of the Code of Federal Regulations (CFR), detailing its structure, history, and relevance in federal regulation, especially in the context of pharmaceutical and cosmetic laws. It highlights the organization of CFR into titles, chapters, and sections, with specific focus on Title 21, which pertains to food and drug administration rules. Additionally, it discusses modern access tools for CFR and concludes that it serves as an essential resource for public access to federal regulations.