Issue 5 is based on ANSI ASC X12 Version/Release 003030. Section 10.4, Telecommunications Additional Code Lists, is an independent document and is updated quarterly.
IEEE/CSA Standard for Skin Effect Trace Heating of Pipelines, Vessels, Equipment, and Structures - General, Testing, Marking, and Documentation Requirements
IEEE/CSA Standard for Impedance Heating of Pipelines and Equipment - Application Guide for Design, Installation, Testing, Commissioning, and Maintenance
