Restrict Delete Access for absence records from ESS when the last update was made by Admin User

Hi,

We have returned an error through validation formula, when the employees tries to edit the absence record, which is updated by the Admin User. But it should not allow even when he tries to delete the absence record which is updated by HR. It is not working with the validation formula.

Is there any option to restrict the edit and delete for the absences from employee self-service when the last updated was by admin user.