A Maryland driver asks whether an intrastate medical waiver can be used while holding a School Bus endorsement. What is the correct answer from the Maryland CDL manual?

1. No, Maryland will not consider an intrastate waiver for someone who maintains Passenger or School Bus endorsements
2. Yes, any driver with an S endorsement automatically qualifies for an intrastate waiver
3. Yes, but only if the school district signs the waiver
4. No, because intrastate waivers apply only to tanker drivers