{"data":{"id":"us/40-cfr-63.4940","jurisdiction":"us","citation":"40 CFR 63.4940","heading":"By what date must I conduct the initial compliance demonstration?","body":"You must complete the initial compliance demonstration for the initial compliance period according to the requirements in § 63.4941. The initial compliance period begins on the applicable compliance date specified in § 63.4883 and ends on the last day of the first full month following the compliance date. The initial compliance demonstration includes the calculations according to § 63.4941 and supporting documentation showing that, during the initial compliance period, you used no coating with an organic HAP content that exceeded the applicable emission limit in § 63.4890, and you used no thinners or cleaning materials that contained organic HAP.","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 RRRR—National Emission Standards for Hazardous Air Pollutants: Surface Coating of Metal Furniture"],"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":"672e8079f4c30600251f89f2f1a897aa879a0a2a12dcc30f0221b7e5cc25617b","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-63.4931","next":"us/40-cfr-63.4941"},"notice":"GroundRules: Original legal text. Not legal advice."}