OPINION OF THE COURT
Order affirmed, with costs, on the memorandum at the Appellate Division (60 AD2d 583). Moreover, the objection was never raised by respondent board of education under CPLR article 75 in advance of the arbitration.
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Concur: Chief Judge Breitel and Judges Jasen, Gabrielli, Jones, Wachtler, Fuchsberg and Cooke.