{"data":{"id":"us/40-cfr-63.9310","jurisdiction":"us","citation":"40 CFR 63.9310","heading":"By what date must I conduct the initial compliance demonstrations?","body":"You must conduct the initial compliance demonstrations that apply to you in Table 3 to this subpart within 180 calendar days after the compliance date that is specified for your new or reconstructed affected source in § 63.9295 and according to the provisions in § 63.7(a)(2).","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER C—AIR PROGRAMS","PART 63—NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES","Subpart PPPPP—National Emission Standards for Hazardous Air Pollutants for Engine Test Cells/Stands"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"242f72694085149b9dbd561d3e188820cf925f0a13e094c6556e21dcc7d7a52d","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-63.9307","next":"us/40-cfr-63.9320"},"notice":"GroundRules: Original legal text. Not legal advice."}