per procurationem
/pər ˌprɒkjʊreɪtɪˈəʊnɛm/ /pər ˌprɒkjʊreɪʃɪˈəʊnɛm/(also per procuration) Law
adverb
With reference to the authorized signing of documents by one person on behalf of another: by the agency of an official agent or attorney, by proxy; by the agency of; also in extended use. Also as adjective Compare per pro., procuration.
Origin
Early 19th century. In α form from per + procuration. In β form from classical Latin per per + prōcūrātiōnem, accusative of prōcūrātiō. The phrase has not been found in Latin.