Which items must a commercial passenger vehicle carry under the additional specifications in the Road Safety and Transport Regulations 2021?

1. A set of tyre chains, a tow rope and a spare windscreen
2. A first aid kit, at least one non-resoled spare tyre with safe tread, a set of tools sufficient for emergency repairs, and fire extinguishers in working condition
3. A fire extinguisher only, with all other equipment left to the operator's discretion
4. A reflective warning triangle and a spare battery