19 CFR §113.42
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Except when another period is fixed by law or regulations, any document for the production of which a bond or stipulation is given must be delivered within 120 days from the date of notice from CBP requesting such document. If the period ends on a Saturday, Sunday, or holiday, delivery on the next business day will be accepted as timely.