Wash inside and outside of duck thoroughly.
Remove any fat from tail or neck opening.
Salt interior of bird.
Cut each orange (with peel) into 8 sections.
Place inside of duck.
Secure tail and neck skin, legs and wings with poultry pins.
Salt exterior of duck.
Place breast side up on a rack in roasting pan.
Bake at 350°F (175°C) for 4 hours.
During the final hour, baste with Orange Sauce every 15 minutes.