137. Hearing by the Registrar before refusing an application or to accept it conditionally.- The Registrar shall not refuse an application for registration of a certification trade mark or accept the application subject to any conditions or limitations or impose amendments or modifications to the application or to the regulations without giving to the applicant an opportunity of being heard and the procedure thereto shall be regulated by the provisions of sub-rule (4) of rule 38 to rule 42 of these rules. | 