Choose to Reuse coupons Choose to Reuse coupons expire October 31, 2015. There’s still time to download and use Choose to Reuse mobile coupons before they expire. Here’s how. 1. Download the Chinook Book App (iOS and Android). 2. Create a free account. 3. Your Choose to Reuse coupons will load right in! http://chinookbook.com/mobile/ We are no longer mailing out print coupon books for this year. They are still available at some participating retailers, and county service centers and libraries.