Standard VAT rate: 19%
Low VAT rate: 7% on some foods, books (excluding books whose content is harmful to minors), e-books, audiobooks, newspapers and periodicals (except those containing content harmful to minors and/or more than 50% advertising)
Minimum spend amount: EUR 50 in the same store on the same day
Time limit to export: before the end of the 3rd month, after the month of purchase
Ask in the store: an invoice, Tax-Free form, or Tax-Free receipt: showing your name, non-EU address and passport number.
Required for Germany Customs:
If you have an EU passport; other proof of residence outside the EU