Acceleration Instruction Record
Get the basis in writing before the money is spent.
What you were asked to do, by whom, and on what basis you did it. The record captures the request, the programme position on the day, the basis for payment and where the costs are captured, and it goes out the day of the request, before the extra cost is spent.
What you get
An Excel template with no macros. Only the yellow cells can be edited, the Guide tab explains every step, and it prints on A4. Your contract's terms come first.