This document extends the effective date for the time-limited tolerance established for the combined residues of the insecticide avermectin B<INF>1 and its delta-8,9-isomer in or on the raw agricultural commodity dried hops. The Interregional Research Project No. 4 (IR-4) requested the regulation to establish a maximum permissible level for residues of the insecticide pursuant to the Federal Food, Drug and Cosmetic Act (FFDCA).