PSCC
as defined in Commission Decision (EU, Euratom) 2015/444 of 13 March 2015 on the security…, Article 9, point (4) (Definitions)
a certificate issued by a competent authority establishing that an individual holds a valid security clearance or a security authorisation issued by the Commission Security Authority and which shows the level of EUCI to which that individual may be granted access (CONFIDENTIEL UE/EU CONFIDENTIAL or above), the period of validity of the relevant security clearance or authorisation and the date of expiry of the certificate itself.