
Internal table Input Table (IT) contains the wage types required for the relevant processing step. In general, one of the two internal tables, Output Table (OT) or Result Table (RT), stores the results of a processing step. However in some circumstances such as factoring, it is possible that wage types will not be stored on either.
Upon completion of a processing step, the system transfers the wage types from the internal table OT to the internal table IT of the next process. The OT is necessary to differentiate which wage types have been processed during a rule from those which have not. For example, if the IT table holds three wage types, each is brought into the work area one at at time for processing. If needed for further processing steps later in the schema, the wage type is transferred to the OT table. Then the second and third wage types are processed in the same manner. After the last wage type has processed through a rule, the contents of the OT are transferred to the IT. While the OT does exist, it is not visible in the standard log.
Internal tables IT and OT exist only for the duration of the payroll run; therefore, they store information temporarily, whereas the database stores the table RT permanently.




