TY JOUR TI Counterparty Good Faith: Problems in Determining the Limits of Due Diligence KW due diligence KW tax security KW tax control KW tax audits KW unfair counterparties KW automated information systems KW technical companies KW Article 54.1 of the Tax Code of the Russian Federation KW tax risks JO Auditor AU Klonickaya, A.Y. AU Mihaylov, A.V. PY 2025 IS 11 PB INFRA-M Academic Publishing LLC.