N.Y. HAY Law § 102-A

§ 102-a. Deputy county superintendent. The county superintendent of\nany county or the county engineer thereof appointed by any other law to\nperform the duties of county superintendent, with the approval of the\nboard of supervisors, may appoint a deputy county superintendent or\nengineer, as the case may be, for such period or periods as the board of\nsupervisors may determine, but limited to the term of office for which\nsuch superintendent or engineer was appointed with power and authority\nin the county superintendent or engineer to terminate such appointment\nat his pleasure. Such deputy shall act for and have all the powers and\nduties of such superintendent or engineer during his inability to act as\nsuch superintendent or engineer or during the regular or approved\nvacation period of such superintendent or engineer.\n In the event that such county superintendent or county engineer shall\nnot appoint a deputy as provided herein, prior to or within thirty days\nafter such inability to act shall occur, the board of supervisors may\nmake such appointment for the period of such disability during the term\nof office of such superintendent or engineer, and such appointee shall\nthereafter continue in office for such period as the board of\nsupervisors may determine, but within the limitation of time as\nhereinbefore mentioned.\n The board of supervisors shall, in any event, determine the amount of\nsuch deputy's bond and fix his salary and provide for the payment of all\nthe necessary expenses incurred while in the performance of his duties,\nwhich salary and expenses shall be a charge against the county road\nfund, and may remove him from office for such causes and in the same\nmanner as provided for the removal of a county superintendent or\nengineer.\n The provisions of law not inconsistent with the provisions of this\nsection, applicable to the powers, duties, conduct, appointment and\nremoval of county superintendents or engineers shall be applicable\nhereto.\n