This regulatory document is part of the CNSC’s regulated facilities and activities series of regulatory documents. The full list of regulatory document series is included at the end of this document and can also be found on the CNSC’s website.

In accordance with the Nuclear Safety and Control Act, a person must have a licence issued by the CNSC to prepare a site for and construct a uranium mine or mill, or to operate or decommission a uranium mine or mill. This regulatory document, REGDOC-1.3.1, Licence Application Guide: Uranium Mines and Mills, provides clarity on the requirements and guidance for preparing an application to obtain a licence to prepare a site and construct, operate and/or decommission a uranium mine or mill in Canada. 

This document will be used by applicants to prepare an application for proposed new uranium mines and mills, and for licence renewals for existing uranium mines and mills..  Applicants must ensure they evaluate requirements related to those processes, in addition to the licensing requirements described in this document.

This document is the first version. It supersedes CNSC regulatory guide G-218, Preparing Codes of Practice to Control Radiation Doses at Uranium Mines and Mills.

For information on the implementation of regulatory documents and on the graded approach, see REGDOC-3.5.3, Regulatory Fundamentals.