The component is used to create the PostBar barcode symbol. It's defined in the pPostBar unit.

The PostBar barcode symbology is also known as CPC 4-State. It is the black-ink barcode system used by Canada Post in its automated mail sorting and delivery operations. Canada Post uses nine different formats of PostBar codes - three "domestic" barcodes, used on mail within Canada, two "global" codes, used to route mail outside Canada, three "service" codes, used on customer-applied barcodes, and an "internal" code, used for testing, maintenance, and tracking purposes by Canada.

Technical Details:

The formats of the PostBar codes are specified in the following: