Parking tickets have to be dealt with according to instructions.
ANDREW ROBERTS CRIMINAL AND TRAFFIC TICKET DEFENSE ATTORNEY
I'm unable to determine your question but it's always a good idea to hire legal counsel to contest any tickets.
NOTE: The use of the Internet for communications with the firm or this attorney will not establish an attorney-client relationship and messages containing confidential or time-sensitive information should not be sent.
I would submit the requested letter explaining the change of address and any facts relevant to the initial citation. Tell them in the letter what you want to happen-- e.g., dismiss the citation, extend any deadline that may have already passed due to delay of mail delivery, reduce the fine, cancel late fees, etc. If their response to your letter is unsatisfactory, you may have right to appeal in court. You may not go to judge before exhausting the administrative remedy. Consulting with attorney. in your area may be a good idea.