Complaint sample. PDF. Complaint fill in. PDF.The process of investigation is. Address customer complaints professionally with our acknowledgment of customer complaint letter template. Create and download a letter for free! A notice of claim must be filed in writing. The DELE has an online and fillable pdf Complaint Form available to use to ensure all of the necessary information is captured in the complaint. A Notice of Claim is a required form to notify the city of an individual's intention to bring a lawsuit against a city agency in New York. Report problems, look up service requests, browse topics, tour guide complaint, make a complaint about a tour guide. The Office of the Comptroller will send a letter acknowledging receipt of your claim and assign a claim number.