The Emergency Powers Regulations (Northern Ireland) 1926
Whereas by the Emergency Powers Act (Northern Ireland), 1926, it is provided, amongst other things, as follows:-

"1. If at any time it appears to the Governor of Northern Ireland that any action has been taken or is likely to be taken in the immediate future (whether in Northern Ireland or elsewhere) by any persons or body of persons, being action of such a nature and on so extensive a scale as to be calculated, by interfering with the supply and distribution of food, water, fuel, or light, ...