How does incidental practice work?
Things you need to know

  • This application is only for those who are registered in other Canadian jurisdictions.
  • An Incidental practice registration can only be used for a maximum of 36 months out of 48 months. If you exceed the 36 months, you will need to apply for full registration if you wish to continue working in Ontario. For full registration, please see Transfer of membership from another Canadian jurisdiction ( for more information.
  • Incidental practice registration includes physically working in Ontario in a geoscientific professional capacity, as well as carrying out professional practice on an Ontario project from outside of the Province of Ontario.
  • The application fee is required for the initial application. If incidental practice registration is granted and afterwards is interrupted, the registration holder can extend the registration without paying the application fee, as long as no more than 12 months has passed since the issuance date of the last incidental practice registration.
  • You will need to have your home jurisdiction submit a confirmation request form on your behalf. The confirmation request is only required once in any 12-month period of application.
  • An incidental practice registration that is granted will remain in effect provided the registrant holds a professional practice license in another Canadian jurisdiction.
  • It is the responsibility of the registration holder to track, maintain and extend the registration with PGO and other licensing bodies. PGO has no responsibility to notify a registration holder of the status of registration.
  • To extend registration, use the extension application form and send it to
  • Applicants must provide a description of work to be undertaken in Ontario, and if any changes are to be made to the scope of work changes, the extension of registration application form can be used to inform PGO of the changes. PGO reserves the right to retract any incidental practice registration granted based on such changes.
  • Please see the Registration Regulations, O.Reg. 324/16, sections 20, 21 and 22 for further information about the conditions of membership.