The form must be filled out and presented to the County Clerk to be endorsed. Notice of Court Date: Rent Not Paid (UCS-LTN1) is required state-wide in the District, Justice, and City Courts outside NYC for residential non-payment actions.Form must be filled out and notarized at the time of filing. Title Insurance real estate forms archive containing over 300 forms in MS Word and Adobe acrobat format. You can file your mechanic liens in person at the Suffolk County Clerk's Office located at: 300 Center Drive Riverhead, NY 11901-3392 Phone: (631) 852-2000 Cancellation or amendment, of judgment or lien. 8.