There are slightly different requirements for what must be on the label depending on who is required to put the label on the product. If a supplier label is not attached to a controlled product you are not to use the material until the supplier gives you an MSDS and a supplier label. workplace label must: 1  appear on all controlled products produced in a workplace or transferred to other containers by the employer. 2  may appear in placard form on controlled products received in bulk from a supplier. 3  have the following information: 4  product identifier (product name).