The membership year runs from 1.1. to 31.12.
- Membership starting on/after 1.1. and up to/incl. 31.3. – full annual membership fees due
- Membership starting on/after 1.4 and up to/incl. 30.6. – ¾ annual membership fees due
- Membership starting on/after 1.7. and up to/incl. 30.9 – ½ annual membership fees due
- Membership starting on/after 1.10. and up to/incl. 31.12 – ¼ annual membership fees due