S-2.1, r. 8 - Regulation respecting information on controlled products

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28. Where the material safety data sheet for a controlled product was prepared or last updated more than 3 years previously, the employer shall obtain from the supplier an updated data sheet for that product.
Where an employer is unable to obtain an updated data sheet for the product after taking the necessary measures for that purpose, he himself shall update the hazard information listed on the data sheet for each of the ingredients disclosed therein.
O.C. 445-89, s. 28.