The Armed Forces (Emergency Duties) Act, 1947
Section 2Emergency duties of Armed Forces
s. 2
2. Emergency duties of Armed Forces (1) The [Government] may, by notification in the official Gazette, declare any specified service to be a service of vital importance to the community: Provided that such notification shall remain in force for one month in the first instance, but may be extended, from time to time, by a like notification. (2) Upon a declaration being made under sub-section (1) and until it is rescinded, it shall be the duty of every person subject to the [Army Act, 1952, or the Air Force Act, 1953, or the Navy Ordinance, 1961], to obey any command given by any superior officer in relation to employment upon or in connection with the service specified in the declaration; and every such command shall be deemed to be a lawful command within the meaning and for the purposes of the said Acts or Ordinance.
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