How to use this guide- To be certified organic by the U.S. Department of Agriculture (USDA), farms must be managed in accordance with the regulations in Title 7, Part 205 of the Code of Federal Regulations. Where the USDA organic seal appears, the text quotes from these Federal regulations. The verbatim text of the regulation language follows the section and paragraph (for example, 205.203). The verbatim text is followed by an explanation of the regulation.