{"data":{"id":"us/10-cfr-35.2040","jurisdiction":"us","citation":"10 CFR 35.2040","heading":"Records of written directives.","body":"A licensee shall retain a copy of each written directive as required by § 35.40 for 3 years.","path":["Title 10—Energy","CHAPTER I—NUCLEAR REGULATORY COMMISSION","PART 35—MEDICAL USE OF BYPRODUCT MATERIAL","Subpart L—Records"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-10.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:09Z","sha256":"a032deeb5609c079f728565cfb19ea3e7f3dd951faf1d59de82c4343b0c5c341","source_id":"us-cfr","stale":true,"prev":"us/10-cfr-35.2026","next":"us/10-cfr-35.2041"},"notice":"GroundRules: Original legal text. Not legal advice."}