Updated each year to meet IRS regulations. For employers to report employee income and withholding taxes to the federal government. Detached size 8 1/2 x 5 1/2, carrier width 9 1/2". For dot matrix printers. Form Size (W x H): 8 1/2 in x 5 1/2 in; Number of Columns: N/A; Forms Per Page: N/A; Number of Entry Lines: N/A.