Regulation 12
Linked measures and riband or tape measures shall be tested when subjected to a tension or pull as follows:—
| (a) Riband or tape measures made of material other than metal | 2 pounds; |
| (b) Riband or tape measures made of metal | 10 pounds; |
| (c) Linked measures | 15 pounds; |
and the measures under test shall be supported throughout its whole length on a plane and even base.