(e) If, within 21 days after the notice of parking violation is attached to the vehicle, the issuing officer or the issuing agency determines that, in the interest of justice, the notice of parking violation should be canceled, the issuing agency, pursuant to subdivision (a) of Section 40215, shall cancel the notice of parking violation or, if the issuing agency has contracted with a processing agency, shall notify the processing agency to cancel the notice of parking violation pursuant to subdivision (a) of Section 40215. The reason for the cancellation shall be set forth in writing. If, after a copy of the notice of parking violation is attached to the vehicle, the issuing officer determines that there is incorrect data on the notice, including, but not limited to, the date or time, the issuing officer may indicate in writing, on a form attached to the original notice, the necessary correction to allow for the timely entry of the notice on the processing agency's data system. A copy of the correction shall be mailed to the registered owner of the vehicle.