{"data":{"id":"us/10-cfr-37.3","jurisdiction":"us","citation":"10 CFR 37.3","heading":"Scope.","body":"(a) Subparts B and C of this part apply to any person who, under the regulations in this chapter, possesses or uses at any site, an aggregated category 1 or category 2 quantity of radioactive material.\n(b) Subpart D of this part applies to any person who, under the regulations of this chapter:\n(1) Transports or delivers to a carrier for transport in a single shipment, a category 1 or category 2 quantity of radioactive material; or\n(2) Imports or exports a category 1 or category 2 quantity of radioactive material; the provisions only apply to the domestic portion of the transport.","path":["Title 10—Energy","CHAPTER I—NUCLEAR REGULATORY COMMISSION","PART 37—PHYSICAL PROTECTION OF CATEGORY 1 AND CATEGORY 2 QUANTITIES OF RADIOACTIVE MATERIAL","Subpart A—General Provisions"],"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":"5f865a0afbbbcb1c90c79e387955b4bb74b6cc3acfb59c60545a5bbc9502867f","source_id":"us-cfr","stale":true,"prev":"us/10-cfr-37.1","next":"us/10-cfr-37.5"},"notice":"GroundRules: Original legal text. Not legal advice."}