§ 17. Expenses. The commissioner shall devote his entire time to the
duties of his office. The reasonable and necessary expenses of the
department and the reasonable and necessary traveling and other expenses
of the commissioner, deputy commissioner and other officers and
employees of the department, while actually engaged in the performance
of their duties, outside of the city of Albany, or if any such officer
or employee be in charge of or actually employed at a branch office of
the department, the reasonable and necessary traveling and other
expenses outside of the place in which such branch office is located,
shall be paid from the state treasury upon the audit and warrant of the
comptroller, upon vouchers approved by the commissioner.