When you want to join a VA they will need to provide you with a one-time invitation code.
VAs create invitation codes by:
Once you have recieved the invite code from the VA, follow the steps below
After you have submitted your request to join the VA you will have to wait for them to approve it. You can keep track of pending invitations from your personal dashboard.
If you can't join a VA even after recieving the right code, or you encounter an error, contact VACenter Support.