| LS | Title | From | To | Approval date |
| SG20-LS60 | LS/r on the establishment of the Joint Correspondence Group on Trust (Joint-CG-Trust) and on the initiation of new work items regarding Trust (reply to TSAG-LS12,SG13-LS11,SG13-LS94,SG13-LS10,SG13-LS9,SG13-LS8,SG17-LS36,SG13-LS91,SG13-LS92) | SG20 | SG2; SG21; SG13; SG17; TSAG; | 2025-09-25 |
| SG13-LS91 | LS on initiation of new work item ITU-T Y.trust-MVInf-fr “Framework of a trustworthy metaverse infrastructure” | SG13 | SG21; SG17; SG20; | 2025-07-25 |
| SG13-LS94 | LS about proposed new work item ITU-T Y.trcm-fr “Framework for Trust based Consent Management” | SG13 | SG17; SG20; | 2025-07-25 |
| SG13-LS92 | LS on initiation of new Supplement ITU-T Y.supp.trust-guide "Guideline for standardization of trust technologies in ITU-T SG13" | SG13 | SG17; SG20; | 2025-07-25 |
| TSAG-LS12 | LS on the establishment of the Joint Correspondence Group on Trust (Joint-CG-Trust) | TSAG | SG13; SG17; SG20; SG2; SG3; SG5; SG21; SG11; SG12; SG15; | 2025-05-30 |
| SG17-LS36 | LS on the establishment of a new work item Technical Report TR.trust-metaverse: “Technical challenges to achieving trustworthy metaverses” | SG17 | SG21; SG13; SG20; | 2025-04-17 |
| SG13-LS8 | LS/r on comments on ISO/IEC 2nd WD 31303 “Trustworthiness - Overview and concepts” (ISO/IEC JTC1/WG13) | SG13 | ISO/IEC JTC1/WG13; SG17; SG20; | 2025-03-14 |
| SG13-LS9 | LS on initiation of draft new Technical Paper of ITU-T, TP.DataInfra-Web3 “Trustworthy Data Infrastructure for Web 3.0” | SG13 | W3C; ISO TC 307; SG2; SG21; SG17; SG20; OpenWallet Forum; | 2025-03-14 |
| SG13-LS10 | LS on initiation of draft new Supplement ITU-T Y.supp.trust-roadmap “Standardization roadmap on trustworthy networking and services for study period 2025-2028” | SG13 | SG21; SG17; SG20; | 2025-03-14 |
| SG13-LS11 | LS on the new work item Technical Report ITU-T TR.TLCM “Analysis of Trusted Life Cycle Management of communication devices in Telecommunication Network” | SG13 | SG11; SG17; SG20; | 2025-03-14 |
| ISO/IEC JTC1/WG13-ISO/IEC JTC 1/WG 13 N 812 | LS on request for comments on ISO/IEC 2nd WD 31303, Trustworthiness - Overview and concepts | ISO/IEC JTC1/WG13 | SG13; SG17; SG20; | 2024-12-17 |
