If some mandatory information is missing or not correct, you will get an error message upon submission. The message will tell you which information is not accepted and why. In addition, the rejected form contains an additional sheet which lists the errors and points to the cells to be corrected.The rejected form may be downloaded directly from the receipt page (red box in the screen shot (a) below) or from the “Upload” page (screen shot (b)).Review the error message(s) carefully, revise/complete the information, save the completed form and re-submit it as described above.