@cath_timdavis
Its ridiculously crazy...but the last 3 letters must be lower case: like "wth" and NOT "WTH"
You might need to blank-out the entire number, click in another box, then return to the IDnumber box adn re-enter to get it to take right.
____________*Answers are correct to the best of my knowledge when posted, but should not be considered to be legal or official tax advice.*
