JS8576:
A midweek weekly rest doesn’t reset your 10 hour drives, it’s 2 per fixed week and that’s it.
I didn’t know that 
A “week” runs from 00:00 Monday to 24:00 Sunday (midnight Sunday to midnight Sunday), having a weekly rest period doesn’t change when the week starts or ends.
You can extend the daily driving limit to 10 hours twice a week.
You can have three reduced daily rest periods between two weekly rest periods.
Some people call the time between weekly rest periods the “working week” which should not be confused with the “week” which is sometimes referred to as a “fixed week”.
JS8576:
- You can attach a weekly rest that starts in one week and ends in another to either week. But if you attach a 45 hour weekly rest to week 2 does this mean that you would still need to have at least a 24 hour weekly rest somewhere in week 1? If not then the 45 hours would have to be attached to week 1?
That’s correct, a 45 hour weekly rest period that crosses over two weeks can be used for either week but not both, so if you had a 45 hour weekly rest period attached to week 2 you would need a rest period of at-least 24 hours attached to week 1.
JS8576:
2) I am assuming you cannot split a weekly rest. So if you did 69 hours of weekly rest in which 45 hours started and ended in week 1 and 24 hours started in week 2 you could not say i’ve done my weekly rest for both weeks?
You cannot have a split a weekly rest period but you can have two weekly rest periods back to back which is what I think you mean.
If you had a 69 hour rest period that crosses over two weeks (crosses Sunday midnight) the first 45 hours could be used for week one and the last 24 hours could be used as a reduced weekly rest period for week two.
JS8576:
3) But what if at midnight on sunday you did 1 hours work or drive then started a 24 hour weekly rest. At first i thought this would cause a serious problem because you can now work until the end of week 3 before you take a 45 hour weekly rest but then i realised that you cannot work for more than 6 days/shifts without taking a weekly rest. So in this situation have you “locked” yourself in to having to take another weekly rest at the same time (or thereabouts) the following week?
You cannot work more than six 24 hour periods (144 hours) before starting a new weekly rest period.
If you call this six days it implies that you cannot do work on seven days which you can, if you call it six shifts it’s wrong because there’s nothing to stop you doing more than six shifts in the six 24 hour periods.
You don’t have to have a weekly rest period at the same time each week, a weekly rest period or reduced weekly rest period resets the six 24 hour periods.
JS8576:
provided that the driver does not exceed 144 hours’ work either before or after the rest period in question.
Unless it is saying that since the previous rest period and the next one there is a limit on 144 hours work.
That’s exactly what it’s saying.
You must start a new weekly rest period no later than six 24 hour periods from the end of the last weekly rest period, six 24 hour periods equals 144 hours.