{"data":{"id":"us/46-cfr-64.77","jurisdiction":"us","citation":"46 CFR 64.77","heading":"Inspection and test.","body":"For the handling and stowage requirements in § 98.30-3 of this chapter, each MPT must pass the following inspections and tests conducted by the owner or the owner's representative:\n(a) Pressure relief and vacuum relief devices must be inspected one time or more during each 12 month period of service in accordance with § 64.79.\n(b) An MPT must be inspected during the 30 months before any month in which it is in service in accordance with § 64.81.\n(c) An MPT must pass a hydrostatic test in accordance with § 64.83 during the 60 months before any month in which it is in service.\n(d) After each welded repair, an MPT must pass a hydrostatic test in accordance with § 64.83.","path":["Title 46—Shipping","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER F—MARINE ENGINEERING","PART 64—MARINE PORTABLE TANKS AND CARGO HANDLING SYSTEMS","Subpart E—Periodic Inspections and Tests of MPTs"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-46.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:22Z","sha256":"63925cba03e7c2e3bdc2e1f283bb15680f1c10f9d99718fcf2dd23b4e29f8b69","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-64.71","next":"us/46-cfr-64.79"},"notice":"GroundRules: Original legal text. Not legal advice."}