ENAC

Ethics Not A Concern, abbreviated to ENAC, is a type of authorisation in the Terran military and other areas linked to security. This authorisation grants an agent or institution immunity against any charges which could be levied against them for a crime they committed prior to having completed their mission. It also includes unlimited access to public and private resources in the context of the mission. 
ENAC was created at the time of the Custodian and was used regularly by both special forces and intelligence agents. It could only be granted by the Custodian himself or his entourage. It was formalised as a part of the 2088 concessions and it could only be granted by members of the executive committee. Since then, only members of the Central Executive Committee and the Chancellor of the Republic have been allowed to grant it, for up to six months at a time. The Terran Special Service and Department of Experimental Research as a whole have a special status, granting them and their employees perpetual ENAC clearance.