The "Working Schedule Exceptions" screen registers and changes exceptions to working schedules. A working schedule exception is a different number of working hours on a particular day, for example on a holiday. The screen has the following entry fields: - "Working Schedule": The unique alphanumeric code that identifies the working schedule. - "Date": The date on which the working schedule exception applies. - "Working Hours": The number of hours to work on the date of the working schedule exception. - "Explanation": An explanation of the working schedule exception.