Noun
English Wikipedia has an article on:writ of assistanceWikipedia
writ of assistance (plural writs of assistance)
(historical, US) a court order that authorized customs officers to conduct general searches of premises for contraband; a form of search warrant
I will to my dying day oppose, with all the powers and faculties God has given me, all such instruments of slavery on the one hand and villainy on the other as this Writ of Assistance is. James Otis