40 CFR § 180.1178
Formic acid; exemption from the requirement of a tolerance
June 9, 2020
The pesticide formic acid is exempted from the requirement of a tolerance in or on honey and honeycomb when used to control tracheal mites and suppress varroa mites in bee colonies, and applied in accordance with label use directions.
[74 FR 26535, June 3, 2009]