Limit Request time change function for employees to maximum of 3 times a month.

In one of our implementation for Time and Labor Currently employee is using "request time change" function to make request for correction in their Time IN and Time OUT entries of a particular day which are coming in from third party . What our customer wants is for the employees for the organization to Limit the use of "Request Time Change" function to maximum 3 times a month. If employee request's for time change more than 3 times a month. At that time Request time change function should throw an error, stating the employee that they have exceeded their