N.Y. Comp. Codes R. & Regs. tit. 9, § 1500.8 – Maintenance of new and existing systems.

(a) Fire alarm systems shall be maintained in operating condition at all times except when the buildings are unoccupied for a period longer than one week. If any fire alarm system becomes defective during periods of occupancy, the following precautionary measures shall be taken:
1. (1) Notify all occupants of building.
2. (2) Where watchman's clock system is provided, the frequency of watchman's patrols shall be increased to twice that normally required, or where a watchman's clock system is not provided, patrol routes shall be established so that all parts of the building are visited at hourly intervals by authorized persons.
3. (3) Notices shall be placed on alarm boxes indicating that the system is out of order and giving instructions that, in the event of fire, the alarm be transmitted to the management by telephone or other means.
4. (4) System shall be restored to working order within a reasonable time as specified by the department.
(b) Fire alarm boxes shall not be obstructed and shall be in full view at all times.
(c) Fire alarm systems shall be tested daily during periods of occupancy and all fire alarm boxes and sounding devices tested at least once a month. Tests shall be made under the direct supervision of the owner or a qualified person representing the owner, and shall be satisfactory to the department. Such person shall be responsible for the making of all tests. A complete record shall be kept of the tests and operation of the system, and records shall be open to examination by the department. After each test, the system shall be restored to normal operating conditions. Occupants of building shall be notified in advance as to time of testing of sounding devices. Such tests shall be held during daylight hours.
(d) It shall be the responsibility of the owner to notify the fire department immediately in the event of fire.