De Unie, in your interest

Your membership

How can I join De Unie?
When does my membership start?
What is the difference between a Light Membership and a Complete Membership?
Where can I report changes?
What do I get as a Union member when I join someone else De Unie?
How does the tax settlement of trade union contributions work?
Is my employer obliged to cooperate in the tax settlement of trade union contributions?