19 C.F.R. § 132.24 Entry.
Title 19 - Customs Duties
Unless a formal entry or entry by appraisement is required, a mail entry on Customs Form 3419 shall be issued and forwarded with the package to the postmaster for delivery to the addressee and collection of any duties in the same manner as for any other mail package subject to Customs treatment.
Title 19: Customs Duties
PART 132—QUOTAS
Subpart C—Mail Importation of Absolute Quota Merchandise
§ 132.24 Entry.

