(1) Where an application for the registration of a trademark for different classes of goods or services is made under sub-section (2) of section 18, the specification of goods or services contained in it shall set out the classes in consecutive numerical order beginning with the lowest number and indicate in each class the goods or services appropriate to that class.
(2) Applications filed under sub-section (2) of section 18 when ordered to be advertised shall be published in a separate section of the Journal.
(3) The Registrar shall issue a single certificate of registration in respect of an application made under sub- section (2) of section 18, which has proceeded to registration.