N.Y. Second Class Cities Law § 170: Commissioner; deputy

§ 170. Commissioner; deputy. The commissioner of public welfare may

appoint one or more deputies, and such other subordinates as may be

prescribed by the board of estimate and apportionment. In case of the

absence or disability of the commissioner or of a vacancy in the office,

a deputy shall discharge the duties of the office until the commissioner

returns, his disability ceases or the vacancy is filled. The

commissioner, and the deputies before entering upon the discharge of the

duties of their respective offices, shall each execute and file with the

city clerk an official undertaking in such penal sum as may be

prescribed by the common council.