On a monthly basis, after all data has been fed into One Source and the monthly One Source calculations have been performed, an extract will be run from One Source , converted via XI and loaded to BW. The current plants that will be extracted from One Source are: 6101, 6102, 6103, 6201, 6202, 6203, 6301, 6302, 6601, and 6602. As additional plants get converted to SAP; they will automatically start appearing on this extract. The One Source extract file will be pulled from a corporate server for processing. (One source is the Data Warehouse).