71. (1) No transfer of shares, unless made by sale under execution or under the decree, order or judgment of a court of competent jurisdiction, shall be valid for any purpose until entry thereof is duly made in the register of transfers, except for the purpose of exhibiting the rights of the parties thereto towards each other and of rendering the transferee liable in the meantime, solidarily with the transferor, to the company and its creditors.
(2) This section shall not apply to companies whose stock is listed and dealt with on any recognized stock exchange by means of scrip commonly in use, indorsed in blank and transferable by delivery, which shall constitute valid transfers; but the scrip-holder shall not be entitled to vote upon the shares until they are registered in his name in the books of the company.