You can make any changes necessary for existing Receiving. To call the form for edit of the receiver click " Receiving" button on the main form. From the Receivers List form, you have to choose the Receiver and click on the "Edit" button( or double click on the Receiver row). You can change, add and remove Receiver information using any functions of the Receiver form . We don't recommend you to make any changes in a Item Receipt after it has been sent to your vendor. You can prepare another Item Receipt for the required adjustment.