TY CONF TI ERRORS, ALLOWED IN THE PREPARATION OF FOREIGN TRADING CONTRACTS BY RUSSIAN PARTICIPANTS OF FOREIGN ECONOMIC ACTIVITY, AND ALSO AS A RESULT OF NON-IMPLEMENTATION OR EXECUTIONS OF THE CONTRACT KW participants in foreign economic activity KW contract KW preamble KW subject of the contract KW condition KW product KW INCOTERMS-2000 KW Convention JO Current problems of jurisprudence AU Bulygina, N.A. PY 2024 PB Publishing Center RIOR