Unlock Your Imperial Buffet Senior Discount! Imperial Buffet offers an exclusive 10% discount for all seniors. To claim this Imperial Buffet senior discount, you’ll need to prove your age at Imperial Buffet. Once you are done with the verification, you’ll be gifted with a special discount.How to Apply Coupon Code? Find a valid coupon code that matches your purchase. Add the items you want to purchase into your shopping cart. Click on the checkout or payment button. Enter the “Coupon Code” or “Promo Code” at checkout. Click a button that says “Apply” or “Redeem” to activate the discount. Make sure the price drops as expected before you finish. Provide payment and See the lower price in your final total!