Creating Work Tax Area Percentages for an Employee 
Suppose that an employee, John Smith, will work 100 days in San Francisco, 100 days in Oregon, and 50 days in Washington state in the coming year. His residence tax area is San Francisco. You should create Work Tax Area infotype records for the amount of time John Smith will work in each of the areas other than his residence tax area.
Procedure
The Maintain HR Master Data screen appears
The Tax authority Oregon and Tax level B State are displayed.
Result
John Smith’s work tax area details are recorded.