The Tax Administration of Sint Maarten reminds individual taxpayers and businesses that the filing deadline for the 2025 Income Tax Return is June 1, 2026. This deadline applies to all persons required to declare their annual income, including salaried employees, self‑employed professionals, and corporate entities. The advisory provides a comprehensive overview of the documentation needed to complete the return, such as payroll statements, rental income records, and proof of deductible expenses. It also details the process for utilizing the online tax portal, including how to navigate the user interface, upload supporting documents, and validate entries before submission. Special attention is given to common sources of error, such as under‑reporting of foreign income or incorrectly claiming deductions, with practical examples to illustrate correct reporting. The notice encourages taxpayers to start gathering their records early to avoid rushed submissions and to seek assistance from the Tax Administration’s help desk or qualified tax consultants if they encounter uncertainties. Information on payment options, possible installment plans, and the consequences of missing the deadline are also included. By clearly outlining the steps and requirements, the Administration aims to facilitate a smoother filing process and ensure compliance with tax obligations across the jurisdiction.