19 CFR § 141.36
Nonresident principals in general
July 16, 2020
A power of attorney executed by a nonresident principal shall not be accepted unless the agent designated thereby is a resident and is authorized to accept service of process against such nonresident.
[T.D. 73-175, 38 FR 17447, July 2, 1973, as amended by T.D. 84-93, 49 FR 17754, Apr. 25, 1984]