I was previously registered with IAA but my account expired, what do I need to do? 29 March 2023 12:19 You will need to register with SYNETIQ for a new account which you can do here. Related articles How can I contact you? What charges are made as fees on administration? Why has my auction account been suspended - what do I need to do next? What are your opening hours? I need an invoice for a vehicle that I won from IAA, how do I get this?