Personal details- Date of Birth is marked as Mandatory in VBS, still the changes are not reflecting

Summary:

As per business requirement, personal details→ Biographical Info→ Date of birth field to be mandatory for all

We are making Date of birth as Mandatory in VBS, still we see the field as optional.

Content (please ensure you mask any confidential information):

Delivered default rule

Custom rule

Date of Birth is not showing as Mandatory field

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

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