The barcode on an automation letter must be positioned how far from the left or right edge of the window?

The positioning of the barcode on an automation letter is critical to ensure proper scanning and processing by automated systems. The requirement for the barcode to be located at least 0.125 inches from either the left or right edge of the window ensures that the barcode is in a safe zone where it can be read accurately without interference from the edges of the envelope or any potential obstructions. This distance minimizes the risk of the barcode being damaged or distorted, which can occur if it's placed too close to the edge. Compliance with this specification not only enhances the efficiency of mail sorting but also significantly reduces the likelihood of delivery errors.