CFR / 
Title 40
 / Part 180
 / 
Sec. 180.1279 Zucchini yellow mosaic virus--weak strain; exemption
An exemption from the requirement of a tolerance for residues of the ZYMV-WK strain in or on all raw cucurbit when applied/used in accordance with label directions.
[74 FR 26536, June 3, 2009]