You can only sue for money. What to include in the Suffolk demand letter?These instructions are for use with the Suffolk District Court COMPLAINT FORM (DC-283). Page version of this information is available at the courthouses. DO I have to send a demand letter before filing legal action for a bad check in Suffolk Co. NY? Asked for replacement. Employee Earnings Paid in Cash form for Employer. Application for additional funding for a special needs child. Want to stay in touch with a loved one at one of our correctional facilities? Learn more about sending mail, phone calls and other resources here.