What can or must you arrange as an entrepreneur, director/major shareholder, employer, or private individual at the end of 2025? What changes will take effect in 2026 that you can anticipate now? We offer ten important tips.What can or must you arrange as an entrepreneur, director/major shareholder, employer, or private individual at the end of 2025? What changes will take effect in 2026 that you can anticipate now? We offer ten important tips.