Offer valid May 1, 2017, through August 31, 2017 (“Promotion Period”) at any hotel or resort within the Hilton Portfolio excluding Hampton by Hilton Hotels in Mainland China. Hilton Honors™ members must first register at HiltonHonors.com/BonusPromotion prior to completing a stay within the Promotion Period. Registered Hilton Honors members will earn Double Points per stay during the Promotion Period, or Triple Points per stay during the promotion period as a Diamond member. The Double Points or Triple Points bonus will be based on tier at time of checkout. Registered Hilton Honors members will only receive Bonus Points for nights completed during the Promotion Period, regardless of a check-in date before the Promotion Period begins or a check-out date after the Promotion Period ends. There is no limit to the total amount of Bonus Points that may be earned during the Promotion Period with this offer. However, there are restrictions on the amount of Base Points that can be earned on a single stay at certain brands. See Hilton Honors Terms & Conditions for more details. Bonus Points earned on Base Points do not count toward tier qualification. Please allow six to eight weeks from completion of your stay for Points to appear in your Hilton Honors account.