19 C.F.R. § 141.33

Alternative form for noncommercial shipment.

An individual (but not a partnership, association, or corporation) who is not a regular importer may appoint another individual as his unpaid agent for Customs purposes by executing a power of attorney applicable to a single noncommercial shipment by writing, printing, or stamping on the invoice, or on a separate paper attached thereto, the following statement:

__________________________; of

(Name)