* Promotional offer is valid beginning 7/15/2020. Promotion may end at any time without notice. Open to new 1/ST BET signups only. To earn a $20 Ten Palms Dining Certificate, customer must successfully open a new 1/ST BET account with Promo Code GSP500 and wager at least $20 within their first 30 calendar days of having an account. Wagers that are refunded or canceled do not count toward this offer. Customer will receive $20 Ten Palms Dining Certificate via Email or US Mail within 30 days of earning it. Dining Certificate does not expire. Dining Certificate cannot be used to purchase alcohol. Void where prohibited. National Gambling Support Line 800.522.4700.