ICAAP
Internal Capital Adequacy Assessment Process is a summary of all the risks faced by the firm and how the firm mitigates against them. These risks should then be subjected to stress testing and an appropriate level of capital should be identified to cover those risks. It is required for all BIPRU and IFPRU firms.
Incubator
Another term for a Principal firm providing AR services.
IRN
Individual Reference Number given to an individual that is an Approved Person. This can be searched for on the Financial Services Register.