A credential issued based on proof of possession and control of the PIV Card, so as not to duplicate the identity proofing process as defined in [SP 800-63-2]. A Derived PIV Credential token is a hardware or software based token that contains the Derived PIV Credential.
NIST SP 800-79-2
An X.509 Derived PIV Authentication certificate, which is issued in accordance with the requirements specified in this document where the PIV Authentication certificate on the Applicant’s PIV Card serves as the original credential. The Derived PIV Credential is an additional common identity credential under HSPD-12 and FIPS 201 that is issued by a Federal department or agency and that is used with mobile devices.
NIST SP 800-157