{"data":{"id":"us/14-cfr-152.307","jurisdiction":"us","citation":"14 CFR 152.307","heading":"Retention of records.","body":"Each sponsor or planning agency shall retain, for a period of 3 years after the date of submission of the final expenditure report—\n(a) Documentary evidence, such as invoices, cost estimates, and payrolls, supporting each item of project costs; and\n(b) Evidence of all payments for items of project costs, including vouchers, cancelled checks or warrants, and receipts for cash payments.","path":["Title 14—Aeronautics and Space","CHAPTER I—FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","SUBCHAPTER I—AIRPORTS","PART 152—AIRPORT AID PROGRAM","Subpart D—Accounting and Reporting Requirements"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-14.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:20Z","sha256":"c6948f9ef589797aa663d3815885775069a84b255c74b00c08e4fde17a4bb6ae","source_id":"us-cfr","stale":true,"prev":"us/14-cfr-152.305","next":"us/14-cfr-152.309"},"notice":"GroundRules: Original legal text. Not legal advice."}