There is no 'current' treaty. The only official agreement is the one we have with Eston. The only treaty we have with the Northern Federation is an unofficial spoken one as they are not prepared to sign peace. That being said, Saeculo intends to honour it as best he can.
Hammarsett has sent an offer days ago,without requests. The diplomatic relation between Hammarsett and Coria could have changed from war to neutral two days ago.