(2)In the absence of any rule, order or notification under this Act, applicable to the area in question, any law, custom, rule, regulation, order or notification mentioned in sub-section (1) shall, anything in any law to the contrary notwithstanding, be deemed to be validly in force, as if the same had the force and effect of rules, orders and notifications, made under the provisions of this Act and shall continue to so remain in force until superseded, altered or modified in accordance therewith.