Affidavit of Service After Commencement of Litigation. To find Affidavits of Service go to Forms, visit a Court Help Center or ask the Court for one, most Courts will have this.Write the address of the party where you mailed the copy to or where you hand delivered the copy. Below are some of the legal forms patrons can obtain from the library. If the form you seek is not listed here, please visit the Law Library. These instructions are only intended to provide information on how to fill out this form. Current NYS driver license showing a Nassau County address. A Post Office Box is unacceptable, and ii. Newly admitted attorneys can view the programs that offer professional practice credits. Skills and ethics credits are not available via our on-demand service.