Regulation 10 Testing of nominal capacity and scale marks of capacity measuresI1
England, Wales and Scotland
(1)
The inspector shall test the nominal capacity and all the scale marks or, in the case of a graduated measure, such of them as he considers necessary.
(2)
The capacity of a measure shall be the volume at 20 °C when the measure is on a horizontal surface and—
(a)
in the case of a line measure, the bottom part of the meniscus coincides with the top of the line, or
(b)
in the case of a brim measure, the surface of the liquid is in the same plane as the brim.