(a) Cancellation.--If the registration of a registered elector is canceled, the commission shall mark on all registration records of the elector the word “canceled” and the date and cause of cancellation. The commission shall remove any registration records pertaining to the elector. Removed records shall be retained separate from registered electors for five years. The commission shall promptly update information contained in its registration records.

(b) Nonessential records.--Records which are not essential for maintaining the current status of a registered elector may be destroyed by the commission three years from the date the commission marks them as nonessential.