| Work item | Question | Equiv. Num. | Status | Timing | Approval process | Version | Liaison relationship | Subject / Title | Priority |
| Y.4201-Rev | Q1/20 | | Under study | 2027-Q1 | AAP | Rev. | - | High-level requirements and reference framework of smart city platforms | Medium |
| Y.aidt-reqts | Q1/20 | | Under study | 2027-Q4 | AAP | New | ISO/IEC JTC 1/SC 41 | Requirements of AI integrated digital twin for cities and communities | Medium |
| Y.citiverse-ai-reqts | Q1/20 | | Under study | 2027-Q4 | AAP | New | ITU-T SG 21, ISO/IEC JTC 1/SC 42, ISO/IEC JTC 1/WG 11 | Requirements for AI-enabled interoperability in citiverse | Medium |
| Y.citiverse-reqts | Q1/20 | | Under study | 2027-Q4 | AAP | New | ITU-T SG 21, ISO/IEC JWG16 | Requirements of citiverse platform for smart sustainable cities and communities | Medium |
| Y.diwi-reqts | Q1/20 | | Under study | 2026-Q4 | AAP | New | ITU-T SG17 | Requirements of digital identity wallet interoperability for smart city services | Medium |
| Y.dt-FIP | Q1/20 | | Under study | 2028-Q2 | AAP | New | ITU-T SG21 | Requirements and capability framework for digital twin-based factory information presentation system | Medium |
| Y.dt-RDRM | Q1/20 | | Under study | 2027-Q3 | AAP | New | JTC 1/SC 41; ISO TC 184/SC 4; ITU-T SG21; IEC TC 57; ISO/TC 59/SC 13; IEEE 2888 | Requirements of digital twin representation model for power grid | Medium |
| Y.Sup.DRI-id | Q1/20 | | Under study | 2026-12 | Agreement | New | ITU-T SG21, ISO TC 299 | Supplement to ITU-T Y.4607 - Identification framework for autonomous mobile robot services | Medium |
| Y.Sup.DRI-usecases | Q1/20 | | Under study | 2026-Q4 | Agreement | New | ITU-T SG21 | Supplement to ITU-T Y.4607 - Use cases of interworking-based autonomous mobile robot services | Medium |
| Y.WTS-reqts | Q1/20 | | Under study | 2028-Q4 | AAP | New | ISO/IEC JTC 1/SC 6, JTC 1/SC 17 | Requirements for the interworking of walk-through transportation fare collection services | Medium |
