Interactive Brokers Canada, Inc. generally verifies the names and addresses of its Canadian-resident applicants electronically. If we are unable to verify your identity electronically, you will be asked to provide an attestation that an original identification document for the individual applicant has been seen by a commissioner of oaths or a guarantor. The attestation must be on a legible photocopy of the document and include the following information:

The name, profession and address of the commissioner of oaths or the guarantor;
The signature of the commissioner of oaths or the guarantor; and
The type and number of the identifying document provided by the individual being identified.

In this context, a guarantor has to be an individual engaged in one of the following professions in Canada:

A dentist, a medical doctor or a chiropractor;
A judge, a magistrate or a lawyer;
A notary (in Quebec) or a notary public;
An optometrist or a pharmacist;
An accredited public accountant (APA), a chartered accountant (CA), a certified general accountant (CGA), a certified management accountant (CMA), a public accountant (PA) or a registered public accountant (RPA);
A professional engineer (P. Eng., in a province other than Quebec) or engineer (Eng. in Quebec); or
A veterinarian.

In addition, you will be asked to provide the following document:

Identification Document Category	Acceptable Identification Documents (only one document per category is needed)
Proof of residency	Bank statement Must be less than six months old and show the account holder’s full name and address.