How far may an indivisible load project from the rear of a passenger vehicle under the Albanian Road Code, and how must it be signaled?

1. It may project up to 2 meters without any special signs or warnings
2. No load may ever project beyond the rear bumper under any circumstances
3. It may project up to 5 meters if tied with a red cloth
4. It may project up to 3/10 (30%) of the vehicle's total length and must be signaled with a square reflective panel with red and white diagonal stripes