A car with an EC plate was registered in October 1973 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 | October 1973 |
| So no older than | 53 years and 1 month (in November 2026) |
| COE | none when new, if registered before May 1990 |
| Newest series until | March 1974 (ED) |
| Plates in the series | EC 1 Y to EC 9999 J |