driving 7.5 ton vehicles

[TALLMAN669]

for 7.5 ton drivers the working week is,,, a fixed period from 00.00 sunday to 24.00 on saturday or,,,, a fixed period from 00.00 monday to 24.00 on saturday ,,, or,,, any 7 day period. or,, any period from the first day of the drivers working week, please i need help, thanks.