The month always stays the same. The year sticker will be the only one to come at renewal. You need to renew before the end of your month sticker. And you can easily do this online. Mine came in like 3 days very quick! Other offices may vary in time it takes to process. Obviously both need to be displayed (on the back plate yep) and it’s clearly defined which goes where… yet people still don’t do it right, by choice or just plain dumb.