N.Y. Civil Practice Law & Rules § 306: Proof of service

Rule 306. Proof of service. (a) Generally. Proof of service shall

specify the papers served, the person who was served and the date, time,

address, or, in the event there is no address, place and manner of

service, and set forth facts showing that the service was made by an

authorized person and in an authorized manner.

(b) Personal service. Whenever service is made pursuant to this

article by delivery of the summons to an individual, proof of service

shall also include, in addition to any other requirement, a description

of the person to whom it was so delivered, including, but not limited

to, the process server's perception of the person's: gender, race, hair

color, approximate age, approximate weight and height, and other

identifying features.

(c) Other service. Where service is made pursuant to subdivision four

of section three hundred eight of this chapter, proof of service shall

also specify the dates, addresses and the times of attempted service

pursuant to subdivisions one, two or three of such section.

(d) Form. Proof of service shall be in the form of a certificate if

the service is made by a sheriff or other authorized public officer, in

the form of an affidavit if made by any other person, or in the form of

a signed acknowledgement of receipt of a summons and complaint, or

summons and notice or notice of petition as provided for in section

312-a of this article.

(e) Admission of service. A writing admitting service by the person to

be served is adequate proof of service.