A New York Affidavit of Service (Other Than Personal Delivery) is a legal document used to prove that a notice or document has been served in a timely manner. It is usually used to prove that a notice or document has been served to someone in an alternative way, such as by mail, email, or publication. This type of affidavit is required in New York State as part of the legal process for many civil and criminal matters. There are three common types of New York Affidavit of Service (Other Than Personal Delivery): Affidavit of Service by Mail, Affidavit of Service by Publication, and Affidavit of Service by Email. An Affidavit of Service by Mail is used to prove that a notice or document was sent to someone by mail. An Affidavit of Service by Publication is used to prove that a notice or document was published in a newspaper. An Affidavit of Service by Email is used to prove that a notice or document was sent to someone by email. All New York Affidavit of Service (Other Than Personal Delivery) documents must be signed, notarized, and submitted to the court in order to be considered legally valid.