New York Consolidated Laws, Highway Law - HAY § 303. Copy and notice to be served

The applicant on receiving the copy and notice shall, on the same day, or the next day thereafter, excluding Sundays and holidays, cause such copy and notice to be served upon the persons to whom it is addressed, by delivering to each of them who reside in the same town a copy thereof, or in case of his absence, by leaving the same at his residence and upon such as reside elsewhere, by depositing in the postoffice a copy thereof to each, properly enclosed in an envelope, addressed to them respectively at their postoffice address, and paying the postage thereon, or, in case of infant owners, by like service upon their parent or guardian.