For the purposes of trade mark registrations in respect of goods dated before 27th July 1938, goods are classified in accordance with Schedule 2 to these Rules, except where a specification has been converted, whether under the old law or under rule 46 below, to Schedule 3.

For the purposes of trade mark registrations in respect of goods dated on or after 27th July 1938 and for the purposes of any registrations dated before that date in respect of which the specifications were converted under the old law, and for the purposes of trade mark registrations in respect of services, goods and services are classified in accordance with Schedule 3, which sets out the current version of the classes of the International Classification of Goods and Services4.