You can increase your excess anytime, but you can only reduce it when your policy is up for renewal.
If your policy is up for renewal
If your policy is not up for renewal
Cover is subject to standard underwriting guidelines and policy terms. Limits apply. NRMA Insurance is issued by Insurance Australia Limited ABN 11 000 016 722 trading as NRMA Insurance.
This is general advice only so to see if this product is right for you, consider your own circumstances and the relevant Product Disclosure Statement (PDS)