Section 115VX of Income Tax Act "Determination of tonnage"
Section 115VX. (1) For the purposes of this Chapter,-
(a) the tonnage of a ship shall be determined in accordance with the valid certificate indicating its tonnage;
(b) "valid certificate" means,-
(i) in case of ships registered in India-
(a) having a length of less than twenty-four metres, a certificate issued under the Merchant Shipping (Tonnage Measurement of Ship) Rules, 1987 made under the Merchant Shipping Act, 1958 (44 of 1958);
(b) having a length of twenty-four metres or more, an international tonnage certificate issued under the provisions of the Convention on Tonnage Measurement of Ships, 1969, as specified in the Merchant Shipping (Tonnage Measurement of Ship) Rules, 1987 made under the Merchant Shipping Act, 1958 (44 of 1958);
(ii) in case of ships registered outside India, a licence issued by the Director-General of Shipping under section 406 or section 407 of the Merchant Shipping Act, 1958 (44 of 1958) specifying the net tonnage on the basis of Tonnage Certificate issued by the Flag State Administration where the ship is registered or any other evidence acceptable to the Director-General of Shipping produced by the ship owner while seeking permission for chartering in the ship.
Section 115VY of Income Tax Act "Amalgamation"
Section 115VY. Where there has been an amalgamation of a company with another company or companies, then, subject to the other provisions of this section, the provisions relating to the tonnage tax scheme shall, as far as may be, apply to the amalgamated company if it is a qualifying company:
Provided that where the amalgamated company is not a tonnage tax company, it shall exercise an option for tonnage tax scheme under sub-section (1) of section 115VP within three months from the date of the approval of the scheme of amalgamation:
Provided further that where the amalgamating companies are tonnage tax companies, the provisions of this Chapter shall, as far as may be, apply to the amalgamated company for such period as the option for tonnage tax scheme which has the longest unexpired period continues to be in force:
Provided also that where one of the amalgamating companies is a qualifying company as on the 1st day of October, 2004 and which has not exercised the option for tonnage tax scheme within the initial period, the provisions of this Chapter shall not apply to the amalgamated company and the income of the amalgamated company from the business of operating qualifying ships shall be computed in accordance with the other provisions of this Act.