Active ingredient of a loss-of-function plant-incorporated protectant.

The active ingredient is exempt if the following conditions are met: (a) The genetic material of a native gene is modified using genetic engineering to result in a pesticidal effect through the reduction or elimination of the activity of that gene; and (b) This exemption does not apply until the requirements in § 174.21(d) have been met. [88 FR 34777, May 31, 2023]