16 TRADE MARKS REGULATIONS, 1970 (L.I. 667) (4) Where a statement of case is amended, two fair copies thereof in its final form shall be left with the Registrar. (5) The Registrar shall seal a copy of the statement of case in its final form to the certificate or notification. Regulation 40—Registrar's Directions for advertisement of Assignment without Goodwill of Trade Mark in use. (1) An application to the Registrar under section 22 (9) of the Act shall be made by the assignee on the prescribed form and shall state the date on which the assignment was made. (2) The application shall give particulars of the registration in the case of a registered trade mark, and, in the case of an unregistered trade mark, shall show the mark and give particulars of the registered trade mark that has been assigned therewith in accordance with section 22 (3) of the Act. (3) The Registrar may call for any evidence or further information, and if he is satisfied he shall issue directions in writing with respect to the advertisement of the assignment. (4) The Registrar may refuse to consider such an application in a case to which section 22 (7) of the Act applies unless his approval has been obtained under section 22 (8) and a reference identifying the Registrar's notification of approval is included in the application. (5) A request to the Registrar for an extension of the period within which the application may be made, may be made at any time before or during the period for which extension can be allowed. (6) The extension of the period which the Registrar may allow shall not exceed six months. Regulation 41—Alteration of Address in Register. (1) A registered proprietor or registered user of a trade mark whose trade or business address is changed so that the entry in the register is rendered incorrect shall forthwith request the Registrar in writing to make the appropriate alteration of the address in the register, and the Registrar shall alter the register accordingly if he is satisfied in the matter. (2) A registered proprietor or registered user of a trade mark whose address for service in Ghana entered in the register is changed, whether by discontinuance of the entered address or otherwise, so that the entry in the register is rendered incorrect, shall forthwith request the Registrar in writing to make the appropriate alteration of the address in the register, and the Registrar shall alter the register accordingly if he is satisfied in the matter.