If you have a deal with incremental percentage rates for specific target bands, then you will be able to choose to make it retrospective or non-retrospective.
If retrospective, the percentage rate for the target band reached will be applied to all historic transactions that apply to the program line in question. If not, the percentage rate is only applied to the transactions that fall within the qualifying band.
Consider for example a program line that has target bands as follows:
If the total for included transactions is £1,800,000:
Information is also available on the Fully retrospective setting.