21. (1) Subject to the other provisions of this Ordinance, a person shall not be registered as the owner of a Bangladesh ship or of a share therein unless he or, in the case of a company, the person authorised in this behalf, has made and signed declaration of ownership in the prescribed form referring to the ship as described in the certificate of the Surveyor and containing the following particulars, namely:-(a) a statement that the requirements as to ownership specified in clause (26) of section 2 are satisfied;(b) a statement of the time when and the place where the ship was built or, if the ship was built outside Bangladesh and the time and place of building are not known, or the builder's certificate cannot be procured, a statement to that effect; and in addition thereto, in the case of a ship previously registered outside Bangladesh, a statement of the name by which she was so registered, or, in the case of a ship condemned, a statement of the time, place and Court at and by which she was condemned; ¹[* * *](d) the name of her master and his citizenship;(e) the number of shares in the ship in respect of which he or the company, as the case may be, claims to be registered as owner; and(f) a declaration that the particulars stated are true to the best of his knowledge and belief. (2) In respect of a ship or share owned by more than one person, a declaration under sub section (1) may be made by any one of them authorised by them in this behalf.