Radio Standards Specification RSS-222, Issue 1, White Space Devices (WSDs), sets out the requirements  for the technical compliance of licence-exempt, Category I radio apparatus operating in the frequency 

bands 54-60 MHz, 76-88 MHz, 174-216 MHz, 470-608 MHz and 614-698 MHz, known as white space devices (WSDs). This document shall be used in conjunction with other Radio Standards Specifications  (RSSs) for compliance with Industry Canada’s requirements.

Posted on Industry Canada website: February 5, 2015