2022 Manitoba Workplace Safety and Health Act and Regulation

35.19(2) An employer who files a claim must disclose the following on the
label of the applicable hazardous product or its container and on the
safety data sheet for the hazardous product:
(a) the date that the claim was filed; and
(b) the registry number assigned to the claim under the Hazardous 
Materials Information Review Act (Canada).
35.19(3) Subject to subsection (2), an exclusion of confidential business
information under subsection (1) is an interim exclusion and is
effective during the period beginning on the day the applicable
claim is filed under the Hazardous Materials Information Review Act
(Canada) and ending on the later of the following:
(a) the date specified in the applicable decision made under the
Hazardous Materials Information Review Act (Canada);
(b) 30 days of receiving the final disposition under that Act in
relation to the claim for exemption.
35.19(4) An employer who files a claim must abide by the decisions and
orders made under the Hazardous Materials Information Review Act
(Canada).
35.19(5) An appeal from a decision or order referenced in subsection (4)
may be made under and in accordance with the provisions of the
Hazardous Materials Information Review Act (Canada) and any
regulations made under that Act.
35.19(6) For certainty, nothing in this section authorizes failing to disclose or
removing hazard information on a label or safety data sheet.
Non-disclosure of confidential business information
35.20(1) If, in respect of a hazardous product, an employer’s claim is
determined to be valid under the Hazardous Materials Information 
Review Act (Canada), then the employer is authorized to do the
following during the three years after the final disposition of the
claim under that Act is received:
(a) in the case of a supplier label or workplace label that contains
information determined to be confidential business information,
replace the label with a workplace label that does not contain
the confidential business information;
(b) in the case of a safety data sheet that contains information
determined to be confidential business information, delete the
confidential business information from the safety data sheet.

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Workplace Safety And Health Regulation
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35.20(2) If only a portion of the claimed information is determined to be
confidential business information, then this section only applies to
the portion determined to be confidential business information.
35.20(3) An employer who takes an action under subsection (1) must include
the following on the safety data sheet provided for the hazardous
product and the label on the hazardous product or the container in
which it is packaged:
(a) a statement that claimed confidential business information
has been exempted from disclosure in accordance with a
determination made under the Hazardous Material Information 
Review Act (Canada);
(b) the date of the determination granting the exemption;
(c) the registry number assigned to the claim under the Hazardous 
Materials Information Review Act (Canada).
General