(b) a certificate issued by the Bureau of the change in ownership. (4) Upon registration of change of ownership the registrar shall— (a) issue a certificate of the registration of a change in ownership, in Form 18, to the new owner; and (b) publish, in the Gazette, the following information— (i) the date of the application to have the change of ownership recorded; (ii) the name of the former owner; (iii) the name of the new owner; and (iv) the registration number and date of registration of the change in ownership. (5) The registrar shall ensure that the instrument described in subregulation (3)(a), and its contents, is kept confidential except to the extent that the new owner agrees otherwise. (6) If the ownership of an application is changed, the new owner shall be taken to be the applicant. Contractual licences 39. Petition to register licence contracts. (1) A petition under section 54(2) shall be in Form 20. (2) The following are prescribed as documents that shall accompany the petition under section 54(2) of the Act— (a) the documents constituting the contract; and (b) any documents relating to the contract that are necessary to understand or interpret the contract. 227