There are 2 font sets the US government accepts for Optical Character Recognition : OCR-A and OCR-B. ANSI INCITS 17-1981 (R2000), formerly known as ANSI X3.17-1981 (R2000), specifies the shapes and dimensions of OCRA characters. Barcodesoft OCR-A font is also compatible with ISO 1073-1:1976 standard. ANSI X3.49-1975 (R1982) describes the nominal shapes, sizes, and printing positions of OCR-B characters. Most part of OCRB is identical to what is defined by ECMA-11. Barcodesoft OCR-B font is also compatible with ISO 1073-2:1976 standard. Barcodesoft OCR-A and OCR-B fonts support Euro banking specifications and are compatible with USPS specification. Barcodesoft OCR-A OCR-B fonts are available in true type, PostScript and PCL formats and can be embedded into Adobe PDF files. As defined by ANSI X3.17-1981 and ECMA-11, there are 6 fonts included in the package: OCRA I, OCRA III, OCRA IV, OCRB I, OCRB III, and OCRB IV. Barcodesoft OCR Premium Packages include a 30-day money back guarantee. If you are dissatisfied with the product for any reason, you will receive a full refund within 30 days.