You can change the order of the columns under Line item data for your users in the capture form.
Under Settings > Capture form > Line item columns you will find the table with the columns for the line item data of an invoice, which is displayed in the Line item data section of the capture form.
You can change the order of the columns by clicking on Change order in the ribbon and dragging a field to a new position with the mouse.
Before making changes, clarify with those involved which order in the capture form is helpful. Be sure to check your changes in the capture form.
Once you have defined the order, click on Save in the ribbon.