You can deduct all costs incurred in connection with your training as training expenses. These include in particular participation fees and learning materials.
You can deduct these fees in full. If you purchase items for the training, you can deduct them as work-related items. These include, for example:
In our opinion, the new home office allowance of 5 Euro per day (max. 600 Euro), granted in 2020 and 2021, is also available to those who are studying, training or furthering their education and are currently learning more at their home PC than in lectures or face-to-face classes.