| LS | Title | From | To | Approval date |
| COM 11 - LS 12R1 | Reply to Request to fill a) living list table of technologies suitable for testing and b) list of possible pilot projects for conformity assessment against ITU-T Recommendations | SG11 | SG15; ISO/IEC JTC1; BROADBAND FORUM; JCA-CIT; IEC; HGI; IEEE SA; Home Grid Forum; SG9; SG13; SG16; | 2013-03-01 |
| COM 9 - LS 19 | Reply Liaison from ITU-T SG15 (Call for Information (CFI): Information about Certification and Interoperability Testing (CIT) activities for Access and Home Networks) | SG9 | SG15; | 2013-01-18 |
| COM 15 - LS 411 | Call for Information (CFI): Information about Certification and Interoperability Testing (CIT) activities for Access and Home Networks | SG15 | SG9; SG11; SG13; SG16; ISO/IEC JTC1; BROADBAND FORUM; IEC; HGI; IEEE SA; Home Grid Forum; Metro Ethernet Forum; ETSI; ATIS; TTC; CCSA; | 2012-09-21 |