58-101, Disclosure of Corporate Governance Practices

Effective date:

December 31, 2016, except for subsequent amendments.

Published by CSA:

April 15, 2005



This Instrument requires an issuer to disclose the corporate governance practices it has adopted.

Recent developments




October 15, 2014


The amendments are intended to increase transparency for investors and other stakeholders regarding the representation of women on boards of directors and in senior management.  Amendments are effective on December 31, 2014.

September 3, 2015


The definition of "venture issuer" is amended to recognize "Aequitas NEO Exchange Inc." as a senior exchange.

The amendments are effective on November 17, 2015.

December 15, 2016


The Alberta Securities Commission (ASC) announced that it will adopt amendments to National Instrument 58-101 Disclosure of Corporate Governance Practices (NI 58-101) and Form 58-101F1 Corporate Governance Disclosure.

The amendments are effective on December 31, 2016.

Note: The above summary of Recent Developments does not include consequential amendments made as the result of other projects.

For further details on the history of this Instrument, please refer to the OSC’s Web site.

Amendments under consideration

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