Final answer:
PMs must ensure periodic reviews, testing, and assessment of assigned IS and PIT systems are conducted at least once every year or more frequently depending on industry or regulations.
Step-by-step explanation:
Project Managers (PMs) must ensure that periodic reviews, testing, and assessment of assigned Information Systems (IS) and Personal Identity Theft (PIT) systems are conducted at least once every year or more frequently depending on the specific industry or regulations.