Mining Resources
National Instrument 43-101 – Standards of Disclosure for Mineral Projects
NI 43-101 was designed to improve the accuracy and integrity of the information mining companies and provides specific guidelines for disclosure of mining projects. NI 43-101 governs a public mining company's public disclosure of scientific and technical information about its mineral projects.
Changes to National Instrument 43-101: Standards of Disclosure for Mineral Projects became effective December 30, 2005.
See Notice of Ministerial Approval published on December 23, 2005 for implementation information. A summary of the changes, the list of commenters, and a summary of the comments and our responses can be found in the CSA Notice filed on October 7, 2005.
Below are specific links to the Instrument, Form and Companion Policy
- Technical Report: NI 43-101F1 describes the contents required in the technical report.
- Companion Policy to 43-101CP - Standards Of Disclosure For Mineral Projects. Guidance and interpretation to help apply the requirements of NI43-101.
CIM Definition Standards as well as various Canadian Institute of Mining, Metallurgy and Petroleum Best Practice Guidelines referenced in the Instrument are listed below.
Inquiries about National Instrument 43-101
If you have any questions about the National Instrument 43-101, please contact the OSC Contact Centre at:
| Telephone: |
416-593-8314 or Toll-Free throughout Canada at 1-877-785-1555 |
| Email: |
inquiries@osc.gov.on.ca |
| Mail: |
20 Queen Street West
Suite 1900
Toronto, Ontario
M5H 3S8 |
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