Air-Raid Precautions Act, 1939

PART IV.

Obscuration of Lights and Camouflage.

General duty of occupiers of factories, owners of mines and essential undertakers.

49.—(1) It shall be the duty of the occupier of any factory premises, of the owner of any mine and of essential undertakers to take forthwith any necessary measures to secure that in the event of emergency, throughout any period of darkness—

(a) no lights are allowed to appear from within any building on the premises, or used for the purposes of the mine or undertaking; and

(b) no lights not within a building remain alight, unless they are essential for the conduct of work of national importance, are adequately shaded, are reduced in power and, save where the Minister otherwise directs, are capable of instant extinction at any time.

(2) A factory inspector may serve on the occupier of any factory premises, a mines inspector may serve on the owner of any mine and any person authorised by the Minister may serve on any essential undertaker, a notice in writing requiring the occupier, owner or undertaker, within the time specified in the notice, to take such measures as may be specified in the notice, being such measures as are mentioned in sub-section (1) of this section.

(3) This section does not apply to any of the matters dealt with in the next succeeding section.