National Instrument 43-101

National Instrument 43-101 (the "NI 43-101" or the "NI") is a national instrument for the Standards of Disclosure for Mineral Projects within Canada. The Instrument is a codified set of rules and guidelines for reporting and displaying information related to mineral properties owned by, or explored by, companies which report these results on stock exchanges within Canada. This includes foreign-owned mining entities who trade on stock exchanges overseen by the Canadian Securities Administrators, even if they only trade on Over The Counter (OTC) derivatives or other instrumented securities.

Many publicly held Canadian mineral exploration and mining companies list on the TSX Venture Exchange (TSX-V) or the Toronto Stock Exchange (TSX). Some of these companies may also have listings on stock exchanges outside Canada, such as Johannesburg Stock Exchange, Australian Securities Exchange and London Stock Exchange.

Disclosures covered by the NI 43-101 code include press releases of mineral exploration reports,reporting of resources and reserves, presentations, oral comments, and websites. The NI 43-101 covers metalliferous, precious metals and solid energy commodities as well as bulk minerals, dimension stone, precious stones and mineral sands commodities.

The National Instrument 43-101 is broadly comparable to the Joint Ore Reserves Committee Code (JORC Code) which regulates the publication of mineral exploration reports on the Australian Stock Exchange (ASX). It is also broadly comparable with the South African Code for the Reporting of Mineral Resources and Mineral Reserves (SAMREC).[1] The reporting codes are, however, not entirely congruent in practice, in that NI 43-101 is more prescriptive in terms of the manner in which mineral exploration reporting is presented, although the content of the technical reports, and the scientific rigors to which the mineral resource classifications within them are put, are often very similar.

For TSX listing purposes, an NI 43-101 Technical Report would have to be accompanied by a Report prepared in accordance with NI 43-101. For ASX listings, a JORC Mineral Resource Statement needs to be accompanied by a Valmin Valuation Report, while for JSE listings, a Competent Person's Report (CPRs), which is compliant with SAMREC and The South African Code for the Valuation of Mineral Assets (SAMVAL), needs to be submitted.

In many cases, NI 43-101 and JORC Code technical reports are considered inter-changeable and may be accepted by either regulatory body in cases of dual listed entities and, indeed, are accepted as the de facto industry reporting standard by many other jurisdictions which lack similar rigorous reporting standards or internationally recognized industry professional bodies. The LSE, for instance, accepts CPRs, Qualified Person's Reports (QPRs), and Mineral Resource Statements, compiled using JORC, SAMREC and SAMVAL, or NI 43-101, when accompanied by a NI51-101 Valuation Form, for listing on the LSE. Likewise, the Hong Kong Stock Exchange accepts reports prepared in accordance with NI 43-101,SAMREC or JORC.


Plainly put, the purpose of the National Instrument 43-101 is to ensure that misleading, erroneous or fraudulent information relating to mineral properties is not published and promoted to investors on the stock exchanges overseen by the Canadian Securities Authority.

The NI 43-101 was created after the Bre-X scandal to protect investors from unsubstantiated mineral project disclosures.

"The gold reserves at (Bre-X's) Busang were alleged to be 200 million ounces (6,200 t), or up to 8% of the entire world's gold reserves at that time. However, it was a massive fraud and there was no gold. The core samples had been faked by salting them with outside gold. An independent lab later claimed that the faking had been poorly done, including the use of shavings from gold jewelry. In 1997, Bre-X collapsed and its shares became worthless in one of the biggest stock scandals in Canadian history."[2]

The promulgation of a codified reporting scheme makes it more difficult for fraud to occur and reassures investors that the projects have been assessed in a scientific and professional manner. However, even properly and professionally investigated mineral deposits are not necessarily economic, nor does the presence of a NI 43-101-, JORC- or SAMREC and SAMVAL-compliant CPR or QPR necessarily mean that it is a good investment.

Similarly, the publication of a complex technical report with all the inherent jargon, technical wording and abstract geological, metallurgical and economic information may not actually significantly advantage an investor who is not able to fully nor properly understand the content or importance of this information. In this way the NI 43-101 may not serve the interests of those it is designed to protect— the retail investors who may easily misinterpret such information.


NI 43-101 stipulates and codifies the form and content of a compliant report (i.e.; a report that complies with the Reporting Standard).

Prescribed disclosure within the National Instrument relates to;

Proscribed disclosure within the National Instrument precludes a company from reporting;

Comparison with the JORC Code

The National Instrument 43-101 requires substantially more technical disclosure to the market than the equivalent JORC Code, because the JORC Code is primarily a code for reporting the status of a mineral resource, whereas the NI 43-101 is a code of securities disclosure. This distinction is based on the derivation of the two codes: the JORC Code is derived from the Joint Ore Reserves Committee, an independent mineral industry body formed from industry professional associations; The NI 43-101 is a code derived from the Canadian Securities Authorities. The JORC Code, were it equal with the NI 43-101 would be derived from the Australian Securities and Investment Commission, not the relevant industry bodies.

The technical information required in a Reserve declaration under the NI 43-101 exceeds that within the JORC Code, primarily by stipulating that certain geological parameters of the mineral reserve must be presented within a report, published in full, and presented in a particular way. Conversely, JORC Compliant technical reports are not commonly published in full upon the Australian Stock Exchange as this is not required by Australian regulatory authorities. Therefore, often a summary of the key points is published, which can often preserve commercially sensitive information, and often this could allow deleterious information to remain out of the public forum.

Qualified Persons Statement

The instrument requires that a "qualified person" be attributed to the information. This Qualified Person, in the spirit of the National Instrument, is required to be a reputable professional who is knowledgeable of the mineral property concerned, and who has sufficient experience and qualifications to make the statements which are made within the report. Often the Qualified Person need not be the author of the report, but in attributing the report as being compliant with the National Instrument, they are vouching for it. This is a matter of professional integrity and carries legal risk, as misleading statements can result in legal sanctions in Canadian and other jurisdictions.

A qualified person is defined in the National Instrument as:

The requirement for a Qualified Person in the NI 43-101 is different from that required by the JORC Code, and the SAMREC and SAMVAL Codes, wherein the person must have 5 years experience relevant to the deposit type or style of mineralization but is otherwise similar in terms of who may or may not sign off on such a document.

The Qualified Person must declare whether a qualified person has verified the data disclosed, including sampling, analytical and test data underlying the information or opinions contained in the written disclosure; a description of how the data was verified and any limitations on the verification process; and an explanation of any failure to verify the data.


  1. Samcodes
  2. Grundhauser, Eric (21 August 2015). "The $6 Billion Gold Mine That Wasn't There". Slate. Retrieved 21 September 2015.

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