Which one of the following statements is true regarding no-fault automobile insurance?
1) Under a no-fault system, an injured person does not need to establish fault, but must prove negligence in order to collect payment for damages.
2) Most no-fault laws apply only to bodily injury and not to property damage.
3) No-fault laws typically provide no benefits for loss of earnings for an injured person.
4) An injured party must sue to obtain medical expenses above a particular monetary threshold in all no-fault plans.