A car with an SBB plate was registered in February 1985 or later. A number can be bid for after its series opens, or kept from an older car, so the car can be newer than its plate, never older.
| Registered no earlier than | February 1985 |
| So no older than | 41 years and 9 months (in November 2026) |
| COE | none when new, if registered before May 1990 |
| Newest series until | January 1986 (SBC) |
| Plates in the series | SBB 1 M to SBB 9999 A |