.. Parliament`s power to legislate on a matter in the list of states in the national interest. 249. (1) Notwithstanding the preceding provisions of this chapter, if the Council of States has declared, by a motion for a resolution supported by at least two-thirds of the members present and voting, that it is necessary or expedient in the national interest for Parliament to pass laws relating to 1 [goods and services tax under Article 246A or] to a matter enumerated in the State. Home Laws and Rules Indian Laws Indian Laws – Laws Constitution of India List of chapters Chapter XI RELATIONS BETWEEN THE UNION AND THE STATES EC 2. A decision taken pursuant to paragraph 1 shall remain in force for a maximum period of one year, specified therein: provided that, if and so often, a decision is taken authorizing the continuation of such a decision in the manner provided for in paragraph 1, Such a decision shall remain in force for a further period of one year from the date on which it would otherwise have ceased to have effect under this clause. 1. Notwithstanding the preceding provisions of this chapter, where the Council of States has declared, by a resolution seconded by at least two-thirds of the members present and voting, that it is necessary or expedient in the national interest for Parliament to legislate on any matter included in the list of States specified in the resolution: It is lawful for Parliament to legislate in respect of all or part of the territory of India in respect of this issue as long as the resolution remains in force. (3) A law passed by Parliament for which Parliament would not have been competent but for the adoption of a resolution referred to in paragraph 1 shall, to the extent of its lack of competence, cease to have effect on the expiry of a period of six months from the end of the entry into force of the decision, except in the case of facts or omissions before the expiry of that period. Section 249 – Power of Parliament to legislate on a matter on the list of states in the national interest – Constitution of India.