After sending the documents to me in the December 12 issue and I have returned to the sixth edition in December because the document is not valid, at. Present document, without modification and sent back.
After you send it to me on December 12 and I've returned to number 6 in December, because the document is not valid, the current document does not contain at this edit and then returned to.
After you submit a document to me in December 12 and I have been sent back to the number 6 issue in December, because it is not valid, at the current document has not been modified, and then send it back.