Topic Hub
International Law
By Zachariah Zagol, OAB/SP 351.356 · Updated: April 5, 2026
Cross-border contracts, foreign investment, trade compliance, and international arbitration in Brazil.
9 resourcesBlog Posts
Articles and analysis on international law topics.
How a US Person Is Taxed on Brazilian Rental Income
How the IRS taxes Brazilian rental income for US persons: 15%/25% Brazilian withholding, Form 1116 mechanics, no-treaty reality, and FX repatriation.
International Taxation and Tax Treaties in Brazil
Legal guide to international taxation in Brazil. Double tax treaties, transfer pricing, CFC rules, tax residency, DIRPF obligations for expats, and FATCA/CRS.
Foreign Degree Validation in Brazil: Complete Guide 2026
Complete guide to foreign degree validation in Brazil. Carolina Bori platform, MEC requirements, regulated professions, OAB exam for lawyers, CRM for doctors.
Dual Citizenship in Brazil: Complete Guide 2026
Complete guide to dual citizenship in Brazil. Who qualifies, process, documents, Italian and Portuguese citizenship by descent, and naturalization.
International Contracts: Applicable Law and Arbitration
Legal guide to international contracts in Brazil. Choice of law, CISG, Incoterms 2020, arbitration under Law 9,307/96, foreign judgment enforcement, and LINDB.
International Child Abduction and the Hague Convention
Legal guide to international child abduction in Brazil. The 1980 Hague Convention, ACAF central authority, return proceedings, and exceptions.
International Divorce in Brazil: Jurisdiction and Assets
Legal guide to international divorce in Brazil. Jurisdiction rules, applicable law, foreign judgment recognition, and multi-country asset division.
International Trade in Brazil: Import and Export Guide
Legal guide to importing and exporting in Brazil. RADAR registration, Siscomex, NCM classification, customs duties, and trade agreements explained.
Apostille in Brazil: Hague Convention Document Validation
Complete guide to apostille and document validation in Brazil under the Hague Convention. Learn the process, eligible documents, costs, and timelines for 2026.