The entity in a Public-Key Infrastructure (PKI) that is responsible for issuing public- key certificates and exacting compliance to a PKI policy.
Sources:
CNSSI 4009-2022
under certification practice statement
from
NIST SP 800-56B Rev. 2 - adapted
A statement of the practices that a Certification Authority employs in issuing and managing public key certificates.
Sources:
NIST SP 800-57 Part 2 Rev.1
under Certification Practice Statement