N.Y. Comp. Codes R. & Regs. tit. 22, § 6000.9
(4) Absence. An applicant who fails to appear for one session of the examination shall not be admitted to any later session. Any applicant who is not present for both sessions of the first day of the examination will not be permitted to take the MBE in New York on the following day.
(b) Withdrawal from the examination/failure to appear.
(a) Attendance.