Code of Federal Regulations Title 19. Customs Duties § 19.123.4 Inward foreign manifest forms to be used

(a) For merchandise free of duty entered on CBP Form 7523, the same form may be used as a manifest in lieu of other forms. (See § 143.23 of this chapter.)

(b) For dutiable merchandise not exceeding $2,500 in value entered on CBP Form 368 or 368A, (serially numbered) or CBP Form 7501, or its electronic equivalent, the same form may be used as a manifest in lieu of other forms. (See § 143.21 of this chapter.) The port director may also allow such merchandise to be entered informally upon the presentation of a commercial invoice which contains the following declaration, signed by the importer or his agent:

I declare that the information on this invoice is accurate to the best of my knowledge and belief;  that the invoice quantities are true and correct manifest quantities;  and that I have not received and do not know of any invoice other than this one.

(c) For a shipment not exceeding $250 in value consisting of articles of American origin entered free of duty under the provisions of § 10.1(i) of this chapter and imported in a vehicle, CBP Form 3311, or its electronic equivalent, used in entering the goods, in duplicate, may be accepted in lieu of a manifest.

(d) For baggage arriving in baggage cars, CBP Form 7533 must be used. (See subpart G of this part.)