1.1 Sign-ups can be made during checkout or via mail to firstname.lastname@example.org
1.2 Sign-ups can be changed or cancelled until 24h before the class starts via mail to email@example.com
2.1 Purchases of online classes are valid 3 months after purchase
3.1 Some online classes might be recorded. If so they are only recorded in a way that the students are not visible on the recording.