BS EN 50412-4. Power line communication apparatus and systems used in low-voltage installations in the frequency range 1,6 MHz to 30 MHz. Part 4. Low rate wide band services (LRWBS) operating between 2 MHz and 4 MHz. Channel allocations
ECE Regulation 95 - Concerning the Adoption of Uniform Conditions of Approval and Reciprocal Recognition of Approval for Motor Vehicle Equipment and Parts