Section 95.2991 - PLB and MSLD marketing limitations(a) No device may be marketed or sold in the United States as a "PLB" or "Personal Locator Beacon" unless it is compliant with all of the rules in this subpart. Previously approved PLBs that do not meet the requirements of RTCM 11010 shall not be manufactured, imported, or sold in the United States beginning January 17, 2020.(b) No device may be marketed or sold in the United States as a "MSLD" or "Maritime Survivor Locating Device" unless it complies with the requirements of RTCM 11901. Previously approved devices intended to aid in the location of persons in the water that do not meet the requirements of this subpart shall not be manufactured, imported, or sold in the United States beginning January 17, 2018.