2.1 | G.709.1/Y.1331.1 (2018) Amd. 1 | Superseded | 2019-04-06 | |
2.2 | G.709.1/Y.1331.1 (2018) Cor. 1 | Superseded | 2020-05-07 | |
2.3 | G.709.1/Y.1331.1 (2018) Amd. 2 | Superseded | 2020-12-22 | |
2.4 | G.709.1/Y.1331.1 (2018) Amd. 3 | Superseded | 2022-11-13 | |
2.5 | G.709.1/Y.1331.1 (2018) Amd. 4 | Superseded | 2023-08-22 | |