Recently booked an award ticket on onepass.com and this is from the 'fine print':

> Your eTicket is non-transferable and valid 1 year from date of mileage withdrawal unless otherwise provided in the Conditions of Contract
> Reward travel is subject to the terms and conditions of the OnePass program
> Redeposit or change reward for US$35.00 (Gold and Silver Elite) or US$50.00 (Non-Elite) per transaction by calling 1-800-344-1411