StacksVerified U.S. regulatory reference

40 CFR §57.110

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
As a condition of issuing an NSO, any issuing agency may require the smelter operator to pay a fee to the State or local agency sufficient to defray the issuing agency's expenses in issuing and enforcing the NSO.