Article 9

1. [Indications of Goods and/or Services] Each registration and any publication effected by an Office which concerns an application or registration and which indicates goods and/or services shall indicate the goods and/or services by their names, grouped according to the classes of the Nice Classification, and each group shall be preceded by the number of the class of that Classification to which that group of goods or services belongs and shall be presented in the order of the classes of the said Classification.

2. [Goods or Services in the Same Class or in Different Classes]
(a) Goods or services may not be considered as being similar to each other on the ground that, in any registration or publication by the Office, they appear in the same class of the Nice Classification.
(b) Goods or services may not be considered as being dissimilar from each other on the ground that, in any registration or publication by the Office, they appear in different classes of the Nice Classification.