ISO 1004-1:2013

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ISO 1004-1:2013 is an international standard from the International Organization for Standardization (ISO) that specifies the characteristics of the E13B characters used in Magnetic Ink Character Recognition (MICR). It defines the shape, dimensions, magnetic signal level, and tolerances for these characters, which are essential for machines to accurately read printed numbers and symbols. The standard also addresses printing defects and other considerations to ensure reliable reading.