40 CFR § 180.1273
Beauveria bassiana HF23; exemption from the requirement of a tolerance
June 9, 2020
Residues of Beauveria bassiana HF23 are exempt from the requirement of a tolerance on all food/feed commodities, when the pesticide is used for the treatment of chicken and livestock facilities, including the treatment of chicken and livestock manure.
[75 FR 10190, Mar. 5, 2010]