Validation on Date of Birth

Summary:

Validate based on the date of birth entered by external candidate during job submission

Content (required):

Please advise if it is possible to display error message in career site for external candidate based on date of birth. Requirement is to throw error when someone less than 18 years of age applies for a job.

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

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