CFR / 
Title 40
 / Part 174
 / 
Sec. 174.513 Potato Leaf Roll Virus Resistance Gene (also known as
An exemption from the requirement of a tolerance is established for residues of the plant-incorporated protectant Potato Leaf Roll Virus Resistance Gene (also known as orf1/orf2 gene) in or on all food commodities.
[72 FR 20435, Apr. 25, 2007]