1.5.1.: Exemptions from Article 31 [(Article 29(1))] Where Article 29(1) applies, the label elements mentioned in Article 17 may be provided in one of the following ways:
(a) in fold-out labels; or
(b) on tie-on tags; or
(c) on an outer packaging. The label on any inner packaging shall contain at least hazard pictograms, the product identifier referred to in Article 18 and name and telephone number of the supplier of the substance or mixture.