MINISTRY OF WORKS Control Civil Building DEFENCE (GENERAL) REGULATIONS. 1939, REGULATION 56A (S.R. & O. 1941 No. 1596 and S.R. & O. 1941 No. 1986) TO ALL PERSONS INTENDING TO CARRY OUT ANY BUILDING OR CONSTRUCTION WORK from 1st JANUARY, 1942, a revised Defence Regulation 56A will come into force. Under the new Regulation, no work of REPAIR (including repair of CONSTRUCTION WAR DAMAGE) RECONSTRUCTION MAINTENANCE OF PREMISES DECORATION ALTERATION REDECORATION DEMOLITION is permitted in the United Kingdom if the total cost of the work exceeds £100, unless a licence to carry out such work has first been obtained from a Regional Licensing Officer of the Ministry.