What controls are available to restrict access to the non-employee vendor's SSN?

Summary:

The non-employee vendor (i.e. contractor) provides a social security number as the federal tax id. How can this number be masked for most users?

Content (please ensure you mask any confidential information):

How to selectively mask the vendor's federal tax id when it is a social security number.

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

Oracle Procurement 23D (11.13.23.10.0)

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