| LS | Title | From | To | Approval date |
| TM Forum-LS31 | LS on Notification of Open Presentation on Intent Management Interface/ API (14th Jan and 31st Jan 2020 (postponed December) formal meeting) | TM Forum | CCSA; ETSI; GSMA; 3GPP TSG SA5; IETF; IEEE; NGMN Alliance; ONAP; FG-AN; | 2022-01-05 |