Topic: Bypass salesforce validation rule for given users using hierarchical custom setting.
Scenario: On opportunity we have validation which force to add amount greater then $500, lets see how to bypass this for specific or all users.
Solution: Create new hierarchical custom setting with check box field and use the field value to bypass you validation rule.
Note: If the default organization-level value of your checkbox field is set to true, the validation will be bypassed for all users..
