system change notices
| Notice | Description | Notification Date | Implementation Date | Reference Documents |
| SCN-NPRR434 (16.3 KB pdf) | Implementation details of NPRR434 | 04/06/2012 | 05/10/2012 | 434NPRR-12 Board Report 022112 |
| SCN-NPRR361 (25.1 KB pdf) | Implementation details of NPRR361 | 03/23/2012 | 04/25/2012 | 361NPRR-07 Board Report 081611 |
| SCN-SCR761 (28.3 KB pdf) | Implementation details of SCR761 | 02/02/2012 | 02/24/2012 | 761SCR-09 Board Report 071911 |
| SCN-SCR760 (11.1 KB pdf) | Implementation details of SCR760 ¿ Phase 2 | 01/31/2012 | 02/22/2012 | 760SCR-26 Board Report 032211 |
| SCN-NPRR326/355 (12.3 KB pdf) | Implementation details for NPRR326 and NPRR355 | 01/31/2012 | 02/24/2012 |
326NPRR-11 Board Report 062111
355NPRR-10 Board Report 081611 |