To change the Registration Year, Please login to acko.com. On your policy card, please click 'View Details'. On clicking the view details, you will be redirected to the policy details page where you will see an 'Edit Policy' button. Once you click on the edit policy button, a new pop-up will open with all the possible types of changes you can make in the policy. Edit the Registration Year and update the new Registration Year. This may or may not lead to a change in premium.