Aangifte inkomstenbelasting (IB) 2025 (Engelstalig). This document is a questionnaire that clients can use to provide all the information required for their 2025 personal income tax return. The template includes sections covering personal details, marital status and partner information, children, sources of income, owner-occupied property, substantial shareholdings, Box 3 assets, liabilities, tax deductions and benefits received. The purpose is to enable the tax adviser to prepare the tax return as completely and tax-efficiently as possible based on this structured information. The template also includes warnings and guidance to help prevent errors or missing information.