The traditional Boxing Day clash with Edinburgh will go ahead at Hughenden.
The format for the third season of the tournament involving the 12 top teams from Ireland, Scotland and Wales will see each team play 22 fixtures on a home and away basis.
The Celtic League will continue to run throughout the 2003 Rugby World Cup and the 2004 Six Nations Championship in tandem with the new Celtic Cup knock-out tournament.
The Celtic Cup competition will kick off on the weekend of the 19 September with the Warriors facing a tough trip to Bridgend-Pontypridd.
The quarter-final draw will be on Saturday 20th September while the semi-final draw will be on Saturday 4th October. The Final will be on Saturday 20th December and will be shown live on BBC Grandstand.
Celtic League Fixture list