These documents provide the standardized formats and other integral information for exchanging data electronically. Documents Carrier Reporting to DCOs Documents ETR WCPOLS WCMED WCIND WCSTAT WCCDCI DCO Reporting to Carriers Documents WCRATE WCRATING WCMODS WCNOA WCCNTL WCCRIT WCNOTIFY XML Documents WCUNDERWRITING Schema WCUNDERWRITING Data Element Listing Guide XML Design and Use Guide Web Services (XML) Documents WCPOLS Schema WCSTAT Schema WCRATING Schema WCNOA Schema WCCRIT Schema Link Data Dictionary Data Dictionary Link Data Reporting Handbook Data Reporting Handbook Link DCO Product Applicability Chart DCO Product Applicability Chart