2.2.2.2.7 For the recommended limits, each line must be separated by a minimum of 2 mm . 2.2.2.2.8 Line borders may be used but are not mandatory. 2.2.2.2.9 The Manufacturer's LIMAentififishion Code ( MIC ) shall appear between brackets after the manufacturer's name. The manufacturer's name shall correspond to the name registered with the MIC .