Within a reasonable time after receipt of an application by any board of elections in the State of New York, and in any event not more than 10 days after such receipt of such an application by the board, the board of elections shall accept or reject the application. In the event that an application is rejected by the board of elections, notice of such rejection and the reason therefor must be given to the applicant in writing and a copy thereof must be sent to the division promptly.
N.Y. Comp. Codes R. & Regs. Tit. 19 § 331.4