40 CFR §158.1736

1. (a)General. The table in this section applies to human lice. The product labeling claim determines the required test species. The required test species for a labeling claim appears in paragraph (b) of this section. The required performance standards appear in paragraph (c) of this section.
2. (b)Test species. For products making a claim against lice, the required test species for a labeling claim appear in the following table.
3. (c)Performance standards. For labeling claims against lice, a performance standard of 100 percent is required.