Warsaw, Oct 08, SPA -- Poland's President Lech Kaczynskiwill sign the European Union's Lisbon Treaty into law onSaturday, Reuters quoted a presidential aide as saying today. "The signing ceremony will take place on Saturday. It willinclude international guests," aide Tomasz Brzezinski said. Kaczynski's signature would leave only Czech PresidentVaclav Klaus still to approve the document after Irish votersoverwhemingly backed the treaty in a referendum last Friday.--SPA www.spa.gov.sa/707125