S.L. 65.21 · Motor Vehicles (Weights, Dimensions (S.L. 65.21)
S.L. 65.21 Art. 65Circulation on public highways.
PART VI
No vehicle in Category M1, N1, O1 and O2 shall be allowed to circulate on the public highway if the tread depth of any of its tyres is less than the minimum depth stipulated in the previous regulation.