| LS | Title | From | To | Approval date |
| SG15-LS14 | LS/r on new IEEE activity: P1952 working group (reply to IEEE-LS16) | SG15 | IEEE; | 2022-09-30 |
| IEEE 802.3 Working Group-LS112 | LS/i/r on OTNT Standardization Work Plan | IEEE 802.3 Ethernet WG | SG15; | 2022-09-15 |
| MEF-LS142 | LS/r on Comments on OTNT Standardization Work Plan Issue 30 (reply to SG15-LS351) | MEF | SG15; | 2022-05-05 |
| IEEE-LS16 | LS on new IEE activity: P1552 working group | IEEE | SG15; | 2022-02-24 |
| SG15-LS351 | LS on OTNT Standardization Work Plan Issue 30 | SG15 | ATIS; IEC; MEF; IEEE 802.1; IEEE 802.3 Ethernet WG; IETF CCAMP Working Group; IETF MPLS; TIA; IETF PCE; OIF; IETF TEAS WG; IETF PALS WG; SG12; SG13; SG17; TSAG; | 2021-12-17 |
