In this step, you determine which
user wage types entered in infotypes 0014, Recurring payments and deductions, or 0015, Additional payments , require special processing.
The standard R/3 system contains special rules which must be entered for the corresponding user wage types in certain circumstances.
Office days for taxation as imputed income must be provided with a special rule.
When editing processing classes for wage types, please refer to the section Processing classes, evaluation classes .