Electricity metering - Data exchange for meter reading, tariff and load control - Part 42: Physical layer services and procedures for connection-oriented asynchronous data exchange (IEC 62056-42:2002); German version EN 62056-42:2002, text in English
Edition 2003-01

Electricity metering - Data exchange for meter reading, tariff and load control - Part 21: Direct local data exchange (IEC 62056-21:2002); German version EN 62056-21:2002, text in English
Edition 2003-01

Electricity metering - Data exchange for meter reading, tariff and load control - Part 46: Data link layer using HDLC-protocol (IEC 62056-46:2002 + A1:2006); German version EN 62056-46:2002 + A1:2007, text in English
Edition 2007-08

Electricity metering data exchange - The DLMS/COSEM suite - Part 5-3: DLMS/COSEM application layer (IEC 62056-5-3:2017); English version EN 62056-5-3:2017
Edition 2020-06