Retroactive Accounting Period: The retroactive accounting period refers EITHER to an individual employee or to a payroll area. The earliest POSSIBLE retroactive accounting period is specified for a payroll area. The system also takes into consideration the employee's initial entry date.

Earliest Retroactive Accounting Period: The period furthest back in the past for which it is still possible to PERFORM a retroactive accounting run. This MEANS that retroactive accounting takes PLACE for a period for which payroll has already been performed.

Retroactive Accounting Period: The retroactive accounting period refers either to an individual employee or to a payroll area. The earliest possible retroactive accounting period is specified for a payroll area. The system also takes into consideration the employee's initial entry date.

Earliest Retroactive Accounting Period: The period furthest back in the past for which it is still possible to perform a retroactive accounting run. This means that retroactive accounting takes place for a period for which payroll has already been performed.