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	Chile Latin America	Bulgaria Europe	Mexico North America	Montenegro Europe
Overview	Chile is a stable Latin American economy with structured residency routes, strong civil infrastructure, and growing relevance for international founders. Bordercase coordinates with licensed Chilean partners for filings.	Bulgaria is an EU member state with competitive corporate tax, structured residency routes, and a well-developed digital infrastructure. Bordercase coordinates with licensed Bulgarian partners for filings.

Residency	Chilean residency routes: Temporary residence - employment, retirement, or qualifying activity Investor / entrepreneur routes Family reunification Permanent residence typically after a qualifying temporary period	Bulgarian residency routes: Employment-based residence Business / self-employment routes Retirement / pensioner residency Family reunification EU citizen-derivative routes Permanent residence typically after 5 years.	Mexican residency routes: Temporary resident visa - via investment, employment, or qualifying income Permanent resident visa - via qualifying assets, retirement income, or after 4 years of temporary residency Family unity routes - for spouse and dependents of permanent residents / citizens Student visa Permanent residency unlocks indefinite stay with work authorisation.	Montenegrin residency routes: Temporary residence via employment Business / self-employment Real-estate ownership Family reunification Permanent residence typically after 5 years.

Company setup	SpA (Sociedad por Acciones), Ltda, and SA are standard structures. SII tax registration, RUT, and patent municipal registration follow.	OOD (LLC) and EOOD (single-shareholder LLC) are common structures. Formation is well-documented. Corporate tax is at a flat rate; VAT registration depends on activity.	SA de CV (Sociedad Anónima) and S de RL de CV are the standard private entity types. Formation involves a notary, RFC (tax registration), and IMSS where staff are involved. Mexican tax residency is triggered by primary home and centre of economic interests.	DOO (limited liability) is the standard structure. Formation is well-documented and reasonably fast. Tax and VAT registration follow.

Banking	Residency unlocks personal banking. Corporate banking depends on activity. Bordercase coordinates introductions for cross-border cases.	Personal and corporate banking for residents is broadly accessible. Source-of-funds documentation matters for non-standard cases. Bordercase coordinates banking introductions.	Resident personal banking is broadly accessible; corporate banking depends on activity and structure. Source of funds and ownership clarity are central. Bordercase coordinates introductions for cross-border cases.	Personal banking for residents is accessible. Corporate banking depends on activity. Bordercase coordinates introductions where useful.

Family	Family reunification is supported. Schools (public, private, English, German, French) are concentrated in Santiago.	Family reunification is supported. Schools (public, private, English, German, French) are concentrated in Sofia, Plovdiv, and Varna.	Family reunification is supported on most residency routes. International schools (English, German, French, Japanese) are widely available in major cities; bilingual public and private schools are common.	Family inclusion on residency applications is supported. International schools are available in Podgorica and on the coast.

Risks	Risks Bordercase watches for in Chile: Tax residency triggers and worldwide-income reporting Processing variations between regions RUT timing for non-residents	Risks Bordercase watches for in Bulgaria: Tax residency triggers VAT classification on cross-border services Processing variations between regions Euro adoption is in progress - operational planning needed	Risks Bordercase watches for in Mexico: Centre-of-economic-interests test for tax residency Real-estate restrictions in the "restricted zone" (50 km from coast, 100 km from borders) - fideicomiso or Mexican company structure needed Income thresholds for temporary / permanent routes change with minimum wage indexation Late-stage RFC and CURP registrations	Risks Bordercase watches for in Montenegro: Tax residency triggers EU accession dynamics may change rules over time Processing variations between municipalities Schengen entry / exit considerations for travel planning

Documents	Typical Chilean documents: Passport Apostilled foreign documents (birth, marriage, criminal record) Proof of income or investment Health insurance Spanish translations where required	Typical Bulgarian residency documents: Passport Criminal record certificate Proof of address Basis for residence (employment, business, etc.) Health insurance Family certificates Apostilled and translated to Bulgarian.	Typical Mexican documents: Passport Apostilled foreign documents (birth, marriage, criminal record) Proof of income or qualifying assets Photographs to specification Mexican consular application abroad for most routes	Typical Montenegrin residency documents: Passport Criminal record certificate Proof of accommodation Basis for residence Health insurance Family certificates Apostilled and translated.