Verify: Absence and Entittlement page , is there a mandatory date to switch to?

Summary:

Hello, My client wants to know if theres a mandatory date to switch to Absence and Entitlement page, they would like to delay the change as long as possible.

Content (please ensure you mask any confidential information):

Version (include the version you are using, if applicable):

DEv01, Production

Code Snippet (add any code snippets that support your topic, if applicable):