TY JOUR TI Analysis of the Financial and Economic Activities of Legal Entities and Individual Entrepreneurs by the Federal Tax Service KW Federal Tax Service KW taxes KW analysis KW assessment service KW taxpayer personal account KW analysis methodology KW assessment criteria KW due diligence KW audit JO Auditor AU Arabyan, K.K. AU Guskov, S.V. PY 2026 IS 12 PB INFRA-M Academic Publishing LLC.