Restrict referral of same candidate on multiple requisitions

Summary: Ability to restrict referral of a candidate on multiple requisitions by the referrer

Content (please ensure you mask any confidential information): Hi, We have a requirement to restrict a referrer from referring same candidate to multiple requisitions and also referrer should not be able to refer the same candidate for any job again within 3 months if the candidate has been rejected first time when he was referred. Looking out for suggestions or workarounds if any other organizations have come across similar requirement.

Version (include the version you are using, if applicable): 25D

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