58. An employer has 90 days from 20 April 1989 to obtain from the supplier of a controlled product received from that supplier before 20 April 1989 and present in the workplace on that date a material safety data sheet for that product in accordance with Division 5.
In order to avail himself of the first paragraph, the employer shall take all the necessary steps to obtain the data sheet from the supplier.
Where the employer nevertheless is unable to obtain the data sheet before the expiry of the 90-day period or where the data sheet is not available, he himself shall prepare, before that date, a data sheet in accordance with Division 5 listing the information that he may reasonably be expected to have.