The Department of Innovation, Science and Economic Development (ISED) in Canada, following a public consultation, published RSS-123, Issue 5 on July 26, 2024, covering Licensed Wireless Microphones and Wireless Multichannel Audio Systems (WMAS). This Issue replaces RSS-123, Issue 4, adding requirements for WMAS operation in the frequency bands listed in Table 2, updating unwanted emissions requirements for wireless microphones, revising definitions and references, and including editorial changes.