just a little tip for you’s. if at any time you have to open the tacho take note of the time and when finished at end of shift write on the reverse of chart the reason for this,also write it on the underside of the chart envelope holder that you place the charts in for safe keeping.
as for pc plods stopping you’s.a normal pc can’t ask you to remove your chart,it has to be traffic police or the dot/vosa.i have known guys take there chart out for normal pc’s.it’s a no no 