Contract end date cannot be more then 90 days from the hire date

Summary:

we want to validate the contract info at the Hiring page and Employment Contract page

Content (required):

Hi,

Is there any way to validate the Contract end date, User cannot enter more then Hire_date + 90 days date in the field

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

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