| No.-Rev | Ame-Cor | Name | Status | Date into force | Session | Report | Adopted document |
|---|---|---|---|---|---|---|---|
| UN-R121-Rev.2 | am0-co0 | Identification of controls, tell-tales and indicators - Revision 2 |
01 series | 15.06.15 | 164 (Nov. 14) | 1112, para. 102 | 2012/30 + Corr.1 |
| UN-R121-Rev.2 | am0-co1 | Russian only | Corr.1 to Rev.2 | 14.11.18 | 176(Nov 18) | 1142, para.172 | 2018/154 |
| UN-R121-Rev.2 | am1-co0 | Suppl.1 to 01 | 22.06.17 | 170 (Nov. 16) | 1126, para 109 | 2016/97 | |
| UN-R121-Rev.2 | am2-co0 | Suppl.2 to 01 | 19.07.18 | 173 (Nov. 17) | 1135, para 112 | 2017/116+Corr.1 | |
| UN-R121-Rev.2 | am3-co0 | Suppl.3 to 01 | 16.10.18 | 174 (Mar. 18) | 1137, para 131 | 2018/26 | |
| UN-R121-Rev.2 | am4-co0 | added references to footnote 18 to item 7, 8, 17, 18, 20, 31, 32 |
Suppl.4 to 01 |
25.09.20 | 180 (Mar. 20) | 1151, para 126 | 2020/22 |