What is the legal obligation regarding accessibility for passengers with disabilities or reduced mobility on public urban transport in Argentina?

1. Public buses are not required to accommodate wheelchairs
2. Buses must feature low-floor entry (piso bajo) or functional mechanical wheelchair access ramps, dedicated restraint spaces, and reserved priority seating
3. Passengers with disabilities may only travel between midnight and 05:00
4. Wheelchairs must be folded and stored on the roof rack