(5)Notwithstanding anything contained in sub-section (1) or sub-section (2) or sub-section (3), anything done or any action taken or purported to have been done or taken, in pursuance to any agreement entered into or any other arrangement made by the Central Government prior to the date on which the Finance Bill, 2018 receives the assent of the President, shall be deemed to have been done or taken under the provisions of this section.Explanation. - For the purposes of this section, the expressions, -(i)"contracting State" means any country outside India in respect of which agreement or arrangements have been made by the Central Government with the Government or authority of such country through an agreement or otherwise;(ii)"corresponding law" means any law in force in the contracting State corresponding to any of the provisions of this Act or dealing with offences in that country corresponding to any of the offences under this Act.'.