Cool How Does Interval International Cruise Exchange Work References. Just as bus man posted, interval required that i upgrade from my standard membership to gold membership for $59. Web how does interval international work?

Web how do i exchange an interval international membership? Web through interval international®, you can trade your points or week for vacations at hundreds of resorts around the world. Interval international (ii) is the second largest timeshare exchange company and is affiliated with over 1,800 timeshare resorts.