Try deleting the number in box 15, and make the box blank.
Continue to the next page.
Then use the Back selection to get back to the form page with box 15 on it.
Then retype the 14 digit+character number carefully, AND make sure the final three letters are:
lower case wth
____________*Answers are correct to the best of my knowledge when posted, but should not be considered to be legal or official tax advice.*
