| LS | Title | From | To | Approval date |
| ETSI TC ITS-ITS(22)000003 | LS on Multi-Channel Operations: Open contribution or Review of the MCO set of specifications consisting of the MCO architecture specification (TS 103 697), the MCO Facilities layer functionalities specification (TS 103 141), the MCO Networking & Transport layer functionalities specification (TS 103 836-4-1) and the MCO Access layer functionalities specification (TS 103 695) for C-ITS Release 2 [from ETSI TC ITS] | ETSI TC ITS | CITS; SG16; | 2022-05-24 |