72.—(1) Where an event occurs in relation to a F224[vehicle] in consequence of which the vehicle insurer who issued an approved policy of insurance, or the vehicle insurer or the vehicle guarantor who issued an approved guarantee, then in force in respect of the vehicle, may become liable to pay money to any person, the person who is actually using the vehicle when the event occurs shall—

(a) unless he is himself the insured under the policy or the principal debtor under the guarantee or the event occurs in the presence of such insured or principal debtor, give to such insured or principal debtor, as soon as practicable after the occurrence of the event, notice of the occurrence together with full particulars thereof,

(b) give, on demand, to the insurer or guarantor such particulars relating to the event as are in his knowledge or procurement and are reasonably required by the insurer or guarantor.

(2) A person who contravenes subsection (1) of this section shall be guilty of an offence.

(3) A notice or particulars required by paragraph (a) of subsection (1) of this section may be given by posting the notice or particulars in a properly closed and prepaid envelope addressed to the insured or the principal debtor.