(1) In this Part:
claim means a claim for damages in respect of the death of or injury to a person caused by the fault of the owner or driver of a motor vehicle in the use or operation of the vehicle.
claimant means a person who makes or is entitled to make a claim.
insurer, in relation to a person, means the insurer who insures the person against the person’s liability for damages in respect of a claim, whether or not under a third-party policy, and includes (except in section 43) the Nominal Defendant and, where a claim is handled on behalf of an insurer by another insurer, the other insurer.
third-party insurer means an insurer under a third-party policy.(2) In this Part, a reference to a full and satisfactory explanation by a claimant for non-compliance with a duty or for delay is a reference to a full account of the conduct, including the actions, knowledge and belief of the claimant, from the date of the accident until the date of providing the explanation. The explanation is not a satisfactory explanation unless a reasonable person in the position of the claimant would have failed to have complied with the duty or would have been justified in experiencing the same delay.