For other reasons you can apply to extend your International Single-Trip Policy by phoning us on 1300 655 179 or send an email to firstname.lastname@example.org. au at least 5 days before your original policy was due to end. Extension of cover needs our written approval and you will need to pay any applicable extra premium. If we agree to extend cover we will issue a new Certificate of Insurance. The period of insurance on your new Certificate of Insurance cannot be longer than a combined maximum period of 12 months.