| LS | Title | From | To | Approval date |
| SG5-LS245 | LS/r on New SG5 “L” recommendation terms and definitions from the SG5 May 2021 meeting (reply to SCV–LS31) | SG5 | SCV; ITU-R CCV; SG2; SG3; SG9; SG11; SG12; SG13; SG15; SG16; SG17; SG20; | 2021-12-10 |
| SG5-LS247 | LS/r on approval of new terms and definitions (reply to SG9-LS150) | SG5 | SG9; | 2021-12-10 |
| SG5-LS249 | LS/r on terms and definitions defined in SG3 work items (reply to SG3-LS98) | SG5 | SCV; ITU-R CCV; SG2; SG3; SG9; SG11; SG12; SG13; SG15; SG16; SG17; SG20; | 2021-12-10 |
| SG9-LS150 | LS/r on approval of new terms and definitions (SG16-LS223) | SG9 | SG16; SCV; ITU-R CCV; SG2; SG3; SG5; SG11; SG12; SG13; SG15; SG17; SG20; | 2021-11-24 |
| SG3-LS98 | LS/r on terms and definitions defined in SG3 work items (reply to SCV-LS31) | SG3 | SCV; ITU-R CCV; SG2; SG5; SG9; SG11; SG12; SG13; SG15; SG16; SG17; SG20; | 2021-10-25 |
| SG3-LS95 | LS/r on terms and definitions defined in new SG16 work items (reply to SG16-LS223) | SG3 | SG16; | 2021-05-28 |
| SG20-LS221 | LS/r on terms and definitions defined in new SG16 work items (reply to SG16-LS223) | SG20 | SG16; | 2021-05-27 |
| SG5-LS222 | LS/r on terms and definitions defined in new SG16 work items (reply to SG16-LS223) | SG5 | SG16; | 2021-05-20 |
| SG5-LS223 | LS/r on approval of new terms and definitions (reply to SG9-LS129) | SG5 | SG9; | 2021-05-20 |
| SG16-LS223 | LS/r on terms and definitions defined in new SG16 work items (SCV–LS31) [to SCV/CCV] | SG16 | SCV; ITU-R CCV; SG2; SG3; SG5; SG9; SG11; SG12; SG13; SG15; SG17; SG20; | 2021-04-30 |
| SG9-LS129 | LS/r on approval of new terms and definitions (Reply to SCV – LS31) | SG9 | SCV; ITU-R CCV; SG2; SG3; SG5; SG11; SG12; SG13; SG15; SG16; SG17; SG20; | 2021-04-28 |
| SG11-LS185 | LS/r on revision of definition in TU-T Q.3961 (SCV-LS35) | SG11 | SCV; | 2021-03-26 |
| SCV-Ref.: SCV-TD130 | LS/r on Terms and definitions from Recommendations consented by SG11 in July 2020 (SG11-LS160) [to ITU-T SG11] | SCV | SG11; | 2020-12-07 |
| SG5-LS178 | LS/r on Approval of new terms and definitions (reply to SCV - LS31) | SG5 | SCV; ITU-R CCV; | 2020-10-23 |
| SG3-LS89 | LS/r on approval of new terms and definitions (reply to SCV-LS31, CCV-020-E) | SG3 | SCV; ITU-R CCV; | 2020-08-28 |
| SG11-LS160 | LS/r on new ITU-T SG11 terms and definitions (SCV-LS31, SCV-LS32) | SG11 | SCV; | 2020-07-31 |
| SG13-LS186 | LS/r on approval of new terms and definitions (reply to SCV-LS31) | SG13 | SCV; | 2020-07-31 |
| SCV-LS31 | LS on approval of new terms and definitions | SCV | SG2; SG3; SG5; SG9; SG11; SG12; SG13; SG15; SG16; SG17; SG20; | 2020-06-03 |
| SCV-LS32 | LS on approval of terms and definitions being approved by ITU-T SG11 | SCV | SG11; | 2020-06-03 |
| ITU-R CCV-CCV-020-E | LS on coordination of vocabulary and terminology | ITU-R CCV | ITU-R SG 1; ITU-R SG 5; ITU-R SG 6; ITU-R SG 3; ITU-R SG 4; ITU-R SG 7; ITU-D SG 2; ITU-D SG 1; SG2; SG3; SG5; SG9; SG11; SG12; SG13; SG15; SG16; SG17; SG20; | 2020-06-03 |