Home/Official Sources & Further ReadingOfficial Sources & Further ReadingThe primary sources behind this website's content. Always check the current version.Updated: 2026-10-21ArgentinaArgentina.gob.ar — Government of Argentina portalBoletín Oficial de la República ArgentinaDirección Nacional de MigracionesMinisterio de EconomíaUnidad de Información Financiera (UIF)RENAPER — Registro Nacional de las PersonasRussiaRussian Ministry of Foreign Affairs — Consular DepartmentRussian Ministry of Internal Affairs — migration and citizenshipFederal Tax Service of RussiaGosuslugi public services portalInternationalHCCH — 1961 Apostille ConventionMercosurEuropean Union — travel (ETIAS)Related questionsLegal & Editorial Information