CFR › Title 40 › Part 98 › §98.47140 CFR §98.471Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy link(a)You must report under this subpart if your facility injects any amount of CO2 into the subsurface.(b)For purposes of this subpart, any reference to CO2 emissions in § 98.2(i) shall mean CO2 received.