What is the largest banknote a bus driver is obliged to change for a fare?

1. For every note.
2. Only for notes lesser than 20 Nis.
3. From any note given by a passenger to pay for the ride.
4. Correct answer: Up to ten times the price of the fare.

WhyA route bus driver must give change if the banknote is up to ten times the fare on that line. For a larger note they are not obliged.