One-part CMS-1500 forms comply with current physicians' standards for expediting Medicare and Medicaid payments. Each meets requirements of the Centers for Medicare and Medicaid Services, Champus and the AMA Council of Medical Service. One-part forms come in a continuous format with no bar ream margins and are printed on the front and back with red OCR ink. Detached size of the 20 lb. paper is 8-1/2" x 11".