What is the practice of periodically changing passwords called? Is there a buzzword?

Question

System administration

Or rather, you need to somehow justify changing the password in a nicer way.
Something like: "Periodically changing the password is a normal practice for adding management, " well, or something like that.

Answer 1

Password aging policy.
Information security rules of the holding "a very serious holding."
......
4.7.2 The password for line users must comply with the user password complexity rules and are changed every 40 days, and the previous password cannot be reused.