50% cancellation on the day of use in Guam, 100% cancellation on the day of use during peak season (12 / 25-1 / 7, 4 / 29-5 / 6, 8 / 7-8 / 20). Please note that a cancellation fee of 50% will be required. Please note that refunds and discounts are not possible for early cancellations and early returns after the start of rental car use.