the incoming new amlo president administration, the president that was just elected on the first of july, the new resident, and the outgoing pin the owe administration both want a deal done so the current president can sign it. the new guy does not want to inherit this hot potato as the first thing he has to deal with. and in order for the current president of mexico to sign it, and the 90 days of extra notice before it can be signed to be gin to congress, the drop dead deadline, if you are covering this, if there is not notice to congress by august 27, august 27, there's not going to be a nafta signing this year, and so your story will be, hmm wharkt hell happens to nafta as negotiations roll into 2019, versus if they give notice any time between now and the 27th of august, then there will be a signing. december 1 is when the new mexican president is inaugurated, and they will find the time to do the signing, and then text will be locked t. doesn't go into effect until the vote is on it, because there are some other stops, ssuming they go give notice, so that would be next. on the 30th