The Amateur Radio Service Centre (ARSC) can be contacted at the following address:
Innovation, Science and Economic Development Canada
Amateur Radio Service Centre
2 Queen St E
Sault Ste. Marie ON P6A 1Y3
Email: spectrumamateur-spectreamateur@ised-isde.gc.ca
Telephone: 1-888-780-3333 (Toll free)
Fax: 1-705-941-4607
Hours of Operation: 8:30 a.m. to 4:30 p.m. (Eastern time)