40 CFR § 174.556 - SpCas9 protein; exemption from the requirement of a tolerance.

An exemption from the requirement of a tolerance for residues of SpCas9 protein in or on the food and feed commodities of Citrus when used as a Plant-Incorporated Protectant in accordance with label directions and good agricultural practices.

[90 FR 58170, Dec. 16, 2025]