{"data":{"id":"us/30-cfr-7.30","jurisdiction":"us","citation":"30 CFR 7.30","heading":"Post-approval product audit.","body":"Upon request by MSHA but no more than once a year except for cause, the approval-holder shall supply to MSHA at no cost up to fifty feet of each approved design of brattice cloth and ventilation tubing for audit.","path":["Title 30—Mineral Resources","CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","SUBCHAPTER B—TESTING, EVALUATION, AND APPROVAL OF MINING PRODUCTS","PART 7—TESTING BY APPLICANT OR THIRD PARTY","Subpart B—Brattice Cloth and Ventilation Tubing"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-30.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:25:24Z","sha256":"584e0b85f071520b81465dece6321f962ecb9124bc0d29229becb4b0bff03199","source_id":"us-cfr","stale":true,"prev":"us/30-cfr-7.29","next":"us/30-cfr-7.31"},"notice":"GroundRules: Original legal text. Not legal advice."}