The Clients Module gives you access to Refunds (Multi Sector Funds selection to Refund in One Amount THEN
Auto ReAllocate the Residual Funds to the Sectors)

Refunds
refunds over multiple sectors AND mixed original payment methods can be processed pretty much the same a receipting a payment
all that is required is to enter the Trip Number and select Open Sector List


from here you can either enter the amount you want to refund on the sector OR select the Blue Apply All button for the sector repeat that for each sector you are refunding
fill in the required info (with care)
then select Pay Now
Any residual funds will be auto reallocated to the sector/s