5 Metric units.
In rules, regulations and scales of proof made or altered under section 117 of the Act of 1868 measurements (whether of length, area, volume, mass or weight) may be expressed in imperial units or in metric units.
In rules, regulations and scales of proof made or altered under section 117 of the Act of 1868 measurements (whether of length, area, volume, mass or weight) may be expressed in imperial units or in metric units.