Apply for a change of tax class for single parents

What deadlines must be paid attention to?

The general limitation periods for the submission of tax returns apply, unless the relief amount has already been claimed in the income tax deduction procedure.
The responsible tax office must be notified immediately if the conditions for taking into account the relief amount for single parents cease to apply

How long does it take to process

Processing usually takes place immediately after receipt.

What are the costs?

None.