If you are no longer permanently separated from your spouse/partner, you are again entitled to the tax class combination III/V, IV/IV or IV/IV with a factor.
Are you planning to start construction that has already been approved or does not require approval, or to begin demolishing a building that requires notification? Then you must notify the relevant authority.
By taking allowances into account in the wage tax deduction criteria, the wage tax that the employer has to withhold from the employee's wages is reduced.