Identification numbers for waiver application forms

Corporations

A corporation needs a business number (BN) to complete Form R105, Regulation 105 Waiver Application. If possible, please apply for a BN before you send us these forms.

If you do not have time to apply for a BN first, attach Form RC1, Request for a Business Number (BN), and any supporting documents, to the back of your Form R105.

Individuals

If possible, please have a social insurance number (SIN) or an individual tax number (ITN) before you complete any of the following forms:

  • R105, Regulation 105 Waiver Application
  • R102-R, Regulation 102 Waiver Application

If you cannot get a SIN and you do not already have an ITN, complete Form T1261 Application for a Canada Revenue Agency Individual Tax Number for Non-Residents.

If we receive your waiver request form and it is missing your SIN or ITN, there will be delays in processing your form. If you do not have time to apply for an ITN before you send your form, please do the following:

  • Attach your completed Form T1261 along with certified copies of the identification documents, to the back of the waiver request form.
  • Send your waiver form and all required attachments to the tax services office or international waivers centre of expertise that serves the area where you will perform the services.
  • Indicate the reason for applying for an ITN in the appropriate place on Form T1261.
  • Certified copies of identification documents attached to Form T1261 must have original signatures. We do not accept photocopies or facsimiles of certified copies.
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