| LS | Title | From | To | Approval date |
| SG12-LS21 | LS/r on the consent of Recommendation ITU-T Y.3181 (ex-Y.ML-IMT2020-sandbox) “Architectural framework for Machine Learning Sandbox in future networks including IMT-2020” (reply to SG13-LS6) | SG12 | SG13; | 2023-01-26 |
| SG13-LS6 | LS on the consent of Recommendation ITU-T Y.3181 (ex-Y.ML-IMT2020-sandbox): “Architectural framework for Machine Learning Sandbox in future networks including IMT-2020” | SG13 | 3GPP; ETSI; GSMA; TM Forum; IETF; IEEE; IRTF; NGMN Alliance; ISO/IEC JTC1/SC42; ORAN Alliance; Linux Foundation; LF AI & Data; SG2; SG3; SG5; SG9; SG11; SG12; SG15; SG16; SG17; TSAG; SG20; | 2022-07-15 |
