Judgment unanimously affirmed, with costs. Memorandum: Special Term properly enjoined respondents from requiring Town of Gates patrolmen to serve out of title as acting sergeants in nonemergency situations. The record shows that assignments were regularly made several days in advance when the sergeant assigned to a shift was scheduled for vacation, on personal leave or otherwise scheduled to be absent from his tour of duty. The practice of designating patrolmen to serve as acting sergeants in nonemergency situations not only violates the terms of the bargaining agreement but also is contrary to the rule that civil service employees may not be regularly assigned to perform the duties of a higher civil service position without appointment to the title, grade and salary of such higher position (see NY Const, art V, § 6; Civil Service Law, § 61, subd 2; Matter of O'Reilly v. Grumet, 284 App. Div. 440, affd 308 N.Y. 351; Matter of Sheridan v. Kennedy, 19 Misc.2d 765, affd 10 A.D.2d 606, affd 8 N.Y.2d 794).