Everyone moves up a year every July, granted you are in the Official Index by the time these gradations occur. It’ll be announced and requirements clarified when the date gets closer.

What Phaedra said.
You can register for the index here.

It can take staff a little to approve registrations, as they have a lot to do. If you have not received a response two weeks after registering, you can owl Elaine Pendrast.