It happens that ss formulated :
I believe this is ok providing it is agreed and included in the Will.
We didnt have this but will claim mileage/postage etc.

I didn't make a separate charge for any of those things. I expended
many hours of my time on it, lots of trips to sort various things out,
lots of phone calls, lots letters and a great deal of time spent
researching how to sort things out.