If you’re seeking ICAS membership on the basis of another International Accounting Qualification, you’ll need to complete a special entrant pathway to obtain ICAS membership and the Audit Qualification.  More details and how to apply can be found Special entrant pathway - ICAS

Once admitted to membership you will need to obtain a practicing certificate (Practising Certificates - ICAS ) and apply to become a Responsible Individual (Audit registration - ICAS)