The ICF is structured as a company limited by guarantee, ensuring compliance with legal and regulatory standards in both countries.

In Australia the ICF is registered with the Australian Charities and Not-for-profits Commission (ACNC) and holds Deductible Gift Recipient (DGR) status, effective from July 2008. The Australian Business Number (ABN) is 80130947581.

In New Zealand the ICF is a registered charity with the New Zealand Charities Service (Registration number: CC22943). The New Zealand Business Number (NZBN) is 9429048306966. The Trust was originally established in 2001 through a deed of trust settled by the Australian and New Zealand Intensive Care Society (ANZICS).