T&amp;A information must be transmitted to the payroll system for all employees or, under exceptionbased systems, for employees who have changes to their normal work schedules.
 information doesn't need to be transmitted to the payroll system for all employees
mnli hypothesis:  information doesn't need to be transmitted to the payroll system for all employees premise: T&amp;A information must be transmitted to the payroll system for all employees or, under exceptionbased systems, for employees who have changes to their normal work schedules.