Maintain a constant distance between lines of at least 0.5 mm and not more than one blank line.
In determining the space between lines, measure from the lowest point of a line to the top of the next line. Measure from the bottom extenders of letters such as y and g.
7.2 Character Requirements
Size
Print all characters in the lines containing address information in a font of the same height.
Number
•
Show on each line at least the number of characters required to cover a length of 7.68 mm. At 10 CPI (characters per inch), three characters will meet this requirement.
•
Limit the number of characters in one line to preferably less than 30, but no more than 40.
•
Limit the number of characters in the address on an oversize item to 100.