‹ PRU 3.9.1 PRU 3.10 Common Equity Tier 1 capital (CET1 Capital) › Guidance The Tier 1 capital (referred to in these Rules as T1 Capital) of an Authorised Person refers to "going concern" capital which allows an Authorised Person to continue its activities and prevent insolvency of the Authorised Person. ‹ PRU 3.9.1 PRU 3.10 Common Equity Tier 1 capital (CET1 Capital) ›