I-Power of Attorney (i-POA) ekuthuthweni nasekuphatheni idokhumenti yomthetho egunyaza inkampani yangaphandle, njengomthengisi wempahla ephumayo noma inkampani yezokuthutha, ukuthi ibambele umthengi ovela kwamanye amazwe noma othumela ngaphandle ezindabeni zentela. I-POA isebenza njengerekhodi elisemthethweni lenhloso yenhlangano egunyazayo yokudlulisela izindaba eziphathelene nempahla futhi icacisa ububanzi begunya elinikezwe umenzeli.
E-United States, Ifomu le-CBP elingu-5291 liyifomu le-POA elisezingeni elisetshenziselwa le njongo, futhi libalulekile ukuze kwenziwe lula inqubo yokugunyazwa kwempahla. Leli fomu lidinga igama lenhlangano egunyazayo, uhlobo lwebhizinisi, ama-ejenti aqokiwe, ububanzi bokugunyazwa, nesiginesha. I-IRS noma izinombolo zikamazisi wokungenisa ezweni nazo zivame ukufakwa.
Endabeni yezinkampani zamazwe ngamazwe, ikakhulukazi zaseYurophu, ezithumela e-US, kungase kudingeke isignesha eyengeziwe evela kwesinye isikhulu senkampani njengofakazi. Izimfuneko ze-POA ziyahlukahluka emhlabeni jikelele, izwe ngalinye linemithetho nezimiso zalo.