About changing unitary bills

You cannot use the 6-4-1 Change Orders window to update unitary billing. Change orders must be entered in 3-9 Unitary Billing on an entry by entry basis.

To change the unit price, you need to create two additional lines to the billing; one that backs out the units you need to back out and one that brings them back in at the correct price.

To change the quantity, you need only make the adjustments in the Quantity column.