CCH, a stalwart supplier in the traditional tax and accounting market, is pushing upward to a less-traditional area with its sales-and-use-tax systems. In announcements seven days apart, the Riverwoods, Ill.-based vendor said that CCH Sales Tax Office 2.0 has been certified by SAP for integration with SAP ERP and that it had partnered with Global Tax Management which is providing the middleware for CCH CorpSystem to enable Oracle to communicate with the CCH suite in real time.