Notice is hereby given that Innovation, Science and Economic Development Canada (ISED) has published the following document: Radio Standards Specification RSS-287, Issue 4, 'Emergency Position Indicating Radio Beacons (EPIRB), Emergency Locator Transmitters (ELT), Personal Locator Beacons (PLB), and Maritime Survivor Locator Devices (MSLD)' which sets out certification requirements for licence-exempt radio apparatus such as emergency position indicating radio beacons (EPIRBs), which are carried on ships, emergency locator transmitters (ELTs), which are carried on aircraft, personal locator beacons (PLBs), which are for use by persons, and maritime survivor locator devices (MSLDs), which are devices worn on a person while aboard a vessel.