TY JOUR TI Organizational and methodological aspects of acceptance of goods, works and services purchased under government contracts KW contract activity of state institutions KW documentation on concluded state contracts KW terms of reference KW estimate documentation KW economic expertise KW goods KW works KW services KW expert activity JO The Economy under Guard AU Igonina, E.S. AU Soloviev, O.D. PY 2022 IS 2022 PB Nizhny Novgorod Academy of the Ministry of the Interior of Russia