312. (1) If the Government or a person authorised by it in this behalf is satisfied, on receipt of a declaration survey in respect of a Bangladesh ship to which section 297 applies that the ship complies with all the provisions of the rules made under section 298 and applicable to such ship and to such voyages as she is to be engaged on, the Government or such person shall, on the application of the owner, cause to be issued in respect of the ship-(a) if the ship is of not less than five hundred tons gross, a Cargo Ship Safety Construction Certificate, and in any other case, a certificate showing that she complies with the said rules; or(b) if there is in force in respect of the ship an Exemption Certificate granted under section 313 and the ship complies with the aforesaid requirements other than those from which the ship is exempt under that Certificate, a Qualified Cargo Ship Safety Construction Certificate. (2) The Cargo Ship Safety Construction Certificate shall be in the prescribed form and shall state that the ship complies with such of the requirements of the Safety Convention as to hull, equipment and machinery as are applicable to the ship. (3) The Qualified Cargo Ship Safety Construction Certificate shall be in the prescribed form and shall state in what respects the ship complies with the requirements of the safety Convention as to hull, equipment and machinery.