No clue, but maybe post in the comments or suggestions forum. Or PM a mod for info. They’re nice folks!
Ryan sends me an email about a week before it expires and with a couple of mouse clicks I'm good for another year.
Click on the Osclick on thatcar at the right hand top of the page when the drop down opens scroll down to YOUR ALLIANCE STATUS - click on it and another window will open and you will see when your alliance membership expires. HRP