I found this on my travels trawling the internet and thought it may come in useful for everyone else as well…
If this a repost… my apologies.
Im still very confused by laws so im working my way through it.
But it has cleared a few things up for me.
Hope it can help every one else too
http://www.businesslink.gov.uk/Transport_Theme_files/Goods_vehicles_tachograph_hours_1111_3.pdf