In Fundraising go to the Payments tab in reports (1).
If you want to sort only certain receipt numbers enter a From (2) and To (3) number. For example 1500 to 1800.
Choose the companies on top of the screen (4).
If you want to resort only certain dates enter From (5) and To (6) dates.
Choose the Options menu (7) on top of the screen, and select Resort Receipt Numbers. You will be prompted to confirm your selection.
Please note: If you want to only resort stuff that have a receipt number already enter a From (2) and To (3) number. If you don't know the exact numbers you can enter 1 to 90000000.