A Pennsylvania school bus driver's four-year recertification date passes before the driver completes recertification. What driving limitation does PennDOT publish during the additional one-year period?

1. The driver cannot drive except to complete in-bus training and the skills test
2. The driver may continue regular student routes for one year
3. The driver may drive only if students are high school age
4. The driver may drive without the School Bus Endorsement card