The provisions of section 2 shall not be deemed to have effected any change in the areas to which any law in force immediately before the commencement of this Act extends or applies, and territorial references in any such law to the Naga Hills District, the Naga Tribal Area or the Tuensang Frontier Division shall, until otherwise provided by a competent legislature or other competent authority, continue to have the same meaning.
     Explanation.—In this section, law means any law, ordinance, regulation, order, bye-law, rule, scheme, notification or other instrument having the force of law in India or any part thereof.