19 CFR §142.23
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
The applicable documentation described in § 142.22(b) shall be filed, and estimated duties, if any, shall be deposited, within 10 working days after the merchandise or any part of the merchandise is authorized for release under a special permit for immediate delivery or, for quota class merchandise within the quota period, whichever expires first.