| 203-1242 | Restricted Operation of PB Class Locomotive (PDF, 222.16 KB) | 203-1172 | 13/01/2023 | 13/07/2023 | Watco |
| 203-1248 | Operation of Aurizon’s WDP Coal Train (to NCIG) (PDF, 190.72 KB) | 203-1244 | 24/01/2023 | 24/07/2023 | Aurizon |
| 203-1251 | Restricted transfer and operation of AGUY Wagons (PDF, 225.39 KB) | 203-1243 | 02/02/2023 | 02/08/2023 | Aurizon |
| 203-1256 | Operation of ACB and ACD Locomotives (PDF, 200.28 KB) | 203-1178 | 14/02/2023 | 14/08/2023 | Aurizon |
| 203-1258 | Operation of Train Length Exceeding 1500m on the Main North (PDF, 195.4 KB) | 203-1180 | 21/02/2023 | 21/08/2023 | SCT |
| 203-1259 | Restricted transfer of unlisted heritage carriages (PDF, 166.08 KB) | none | 02/04/2023 | 02/10/2023 | Transport Heritage NSW |
| 203-1260 | Operation of NAM / LAN carriages (PDF, 137.78 KB) | none | 02/03/2023 | 01/09/2023 | NSWGR Holding P/L |
| 203-1262 | Updated operating conditions of passenger trains and track corridor width (PDF, 1.01 MB) | 203-1186 | 10/03/2023 | 08/09/2023 | Sydney Rail Management Centre, Various Operators |
| 203-1267 | Operation of 631/731 diesel rail car (PDF, 233.49 KB) | none | 29/03/2023 | 29/09/2023 | Lachlan Valley Railway |
| 203-1268 | Changes to network operation control boundary at CRN West boundary (PDF, 4.41 MB) | 203-1195 | 29/03/2023 | 29/09/2023 | Sydney Rail Operations Centre |
| 203-1269 | Updated Operating Conditions of QL Class Locomotive (PDF, 227.58 KB) | 203-1185 | 30/03/2023 | 29/09/2023 | QUBE |
| 203-1273 | Trailing tonnage increase trial on the Unanderra to Moss Vale line (UP) (PDF, 168.67 KB) | 203-1193 | 07/04/2023 | 06/10/2023 | Pacific National |
| 203-1277 | Operation of DC6029 Steam Locomotive (PDF, 406.47 KB) | 203-1197 | 20/04/2023 | 20/10/2023 | Sydney Rail Management Centre, Transport Heritage NSW |
| 203-1279 | Updated operating conditions of RHKY wagons (PDF, 149.06 KB) | none | 26/04/2023 | 26/10/2023 | Pacific National |
| 203-1280 | Restricted Transfer and Testing of BGUY Wagons (PDF, 153.01 KB) | 203-1212 | 26/04/2023 | 26/10/2023 | Southern Shorthaul Railroad |
| 203-1282 | Transfer of NIF cars from Port Kembla / Inner Harbour / Woodville Junction to NIF Maintenance Centres Only (PDF, 170.22 KB) | 203-1265 | 28/04/2023 | 27/10/2023 | NSW TrainLink |
| 203-1283 | Update to requirements for assessment of operating conditions for the Illawarra (PDF, 214.02 KB) | none | 28/04/2023 | 27/10/2023 | Sydney Rail Management Centre, Various Operators |
| 203-1286 | Operation of QUBE steel trains (PDF, 187.17 KB) | 203-1246 | 12/05/2023 | 10/11/2023 | QUBE Logistics Rail |
| 203-1287 | Trial of 6200t FIE/FRAY Train on the Main West (PDF, 167.51 KB) | 203-1192 | 08/05/2023 | 08/11/2023 | Fletcher International Exports Pty Ltd, Southern Shorthaul Railroad |
| 203-1289 | Restricted operation of trains up to 1280m train length on the Illawarra (PDF, 136.34 KB) | 203-1216 | 08/05/2023 | 08/11/2023 | Pacific National |
| 203-1292 | Update to DMU Block Working Requirements (PDF, 732.19 KB) | none | 16/05/2023 | 16/11/2023 | Sydney Rail Management Centre, Various Operators |
| 203-1294 | Operation of SGMY wagons (PDF, 172.37 KB) | 203-1214 | 25/05/2023 | 24/11/2023 | QUBE Logistics |
| 203-1295 | Update to Train Numbering (PDF, 239.96 KB) | none | 26/05/2023 | 24/11/2023 | Sydney Trains |
| 203-1297 | Restricted operation and testing of CSR Gen 2 Locomotives (PDF, 270.76 KB) | 203-1291 | 01/06/2023 | 01/12/2023 | Specialised Container Transport (SCT) |
| 203-1298 | Restricted testing of ETCS on Mechanised Track Patrol Vehicle 2 (MTPV2) (PDF, 151.52 KB) | none | 9/06/2023 | 11/12/2023 | Sydney Trains |
| 203-1301 | Dynamic testing of Mariyung (D set) crew doors (PDF, 140.39 KB) | 203-1296 | 08/06/2023 | 08/12/2023 | NSW Trainlink |
| 203-1303 | Update to Bearing and Brake Temperature (BBT) system response to wayside alarms (PDF, 278.12 KB) | none | 05/07/2023 | 05/01/2024 | Sydney Rail Operations Centre |
| 203-1304 | Restricted testing of ATP on EMU sets (PDF, 226.28 KB) | 203-1240 | 15/06/2023 | 15/12/2023 | Sydney Trains, NSW TrainLink |
| 203-1305 | Restricted testing of ETCS Level 1 and ETCS Level 2 on Tangara cars (T sets) (PDF, 242.89 KB) | 203-1236 | 15/06/2023 | 15/12/2023 | Sydney Trains |
| 203-1306 | Update to Train Numbering – North Coal (PDF, 198.25 KB) | 203-1206 | 04/07/2023 | 04/01/2024 | Sydney Trains Rail Operations Centre |
| 203-1307 | Operation of freight and locomotives on the Airport, ESR, North Shore, Flying Junction, City Circle Lines (PDF, 312.01 KB) | 203-1271 | 19/06/2023 | 19/12/2023 | Sydney Trains, Various Operators |
| 203-1312 | Updated operating condition for NGGF, NGKF, NGPF (PDF, 168.75 KB) | none | 12/07/2023 | 12/01/2024 | Sydney Rail Management Centre, Pacific National |
| 203-1317 | Trial locomotive mixing - AC6 (C44ACi) and GL / VL locomotives (PDF, 189.34 KB) | 203-1302 | 12/07/2023 | 12/01/2023 | Sydney Rail Operations Centre, Sydney Rail Services |
| 203-1319 | Restricted movement and testing of NIF cars across the Network (PDF, 303.39 KB) | 203-1253 | 17/07/2023 | 17/01/2024 | NSW TrainLink, Sydney Trains |
| 203-1320 | Operation of NAM 2367 carriage (PDF, 582.24 KB) | none | 28/07/2023 | 28/01/2024 | NSWGR Holding P/L |
| 203-1321 | Operation of 3526 and 3642 Steam Locomotive (PDF, 1.05 MB) | 203-1300 | 31/07/2023 | 31/01/2024 | Transport Heritage NSW |
| 203-1323 | Restricted transfer of QQYY wagons (PDF, 572.85 KB) | 203-1163 | 08/08/2023 | 09/10/2023 | Aurizon |
| 203-1325 | Trial locomotive mixing - AC6 (C44ACi) and VL / GL locomotives (PDF, 577.71 KB) | 203-1261 | 09/08/2023 | 09/02/2024 | Sydney Rail Operations Centre, Sydney Rail Services |
| 203-1326 | Operation of XPT XAMB car (PDF, 574.52 KB) | 203-1309 | 09/08/2023 | 09/02/2024 | Sydney Trains |
| 203-1327 | Updated operation of QHAH QHBH Wagons (PDF, 225.83 KB) | none | 14/08/2023 | 14/02/2024 | Aurizon |
| 203-1328 | Updated trial operation of Aurizon’s WDP Coal Trains (PDF, 239.18 KB) | 203-1311 | 14/08/2023 | 14/02/2024 | Aurizon |
| 203-1329 | Restricted operation of 5020 class locomotives (PDF, 287.68 KB) | 203-1315 | 18/08/2023 | 16/02/2024 | Aurizon |
| 203-1331 | AC Locomotive Dynamic Brake Trial (PDF, 269.44 KB) | 203-1330 | 23/08/2023 | 23/02/2024 | Sydney Trains Rail Operations Centre, Various Operators |
| 203-1332 | Temporary operation of HPC 402 Rail Motor with GPR test equipment (PDF, 234.59 KB) | 203-1324 | 18/09/2023 | 24/11/2023 | Sydney Trains, The Rail Motor Society |
| 203-1333 | Work Train Operations on the East Hills Line (PDF, 195.27 KB) | 203-1162 | 15/09/2023 | 26/09/2023 | Sydney Trains |
| 203-1334 | Restricted transfer and testing of SQTY wagons (PDF, 288.46 KB) | 203-1313 | 13/09/2023 | 13/03/2024 | QUBE |
| 203-1335 | Restricted operation of QQYY wagons (PDF, 206.45 KB) | none | 15/09/2023 | 31/12/2023 | Aurizon |
| 203-1336 | Operation of 3801 Steam Locomotive (PDF, 733.93 KB) | 203-1272 | 19/09/2023 | 19/03/2024 | Transport Heritage NSW |
