This part of ISO 14401 specifies criteria for the field-of-vision performance of surveillance and rear-view mirrors on earth-moving machinery. It is applicable to the ride-on machines of the machine families and sizes listed herein (see Annex A), used both on and off public roads. NOTE 1 For machines not listed in Annex A, the criteria of similar machine types and/or sizes can be used as guidance for the fitting of optional mirrors to these machines. NOTE 2 Additional national road regulations can apply for machines travelling on public roads.