And once it come back from the TPG find someone who knows how and have them make sure the attribution is correct. You can't trust the TPG's to get it right. In fact it would be better to have the attribution done BEFORE you send it in and to include the attribution on the submission form. One it is usually cheaper to have them "confirm" an attribution than to have them research it from scratch. And two you are more likely to get the correct attribution on the label. (If you are unscrupulous you could put a rarer attribution on the invoice and have a fair chance of having it "confirmed" and included on the label.)