Hilton HHonors Terms and Contortions, er, Conditions <
link>
Accrual of Points (in part)
3)... Specifically excluded from the definition of "stay" are the following types of ineligible stays: wholesale/tour operator packages; contracted crew rates; travel agency discount rates, packages exclusively for casino player card holders; Team Member Travel rates, Hilton Family Travel Rates; stays secured utilizing Hilton Grand Vacations Club and Hilton Club timeshare programs, Hilton Grand Vacations marketing packages with a sales presentation requirement; complimentary or barter rooms; Reward Stays (as defined herein); NET Group rates; Series Group or IT Group rates; contracted Entertainment or Encore rates; third party websites bookings (irrespective of rate paid); and "opaque" channel bookings where the brand may or may not be known at the time of purchase. HHonors Points (or stay credit) may not be earned (including as a My Way benefit) for or during ineligible stays, including without limitation, folio charges incurred during ineligible stays....
But usually, if used as a corporate code on HH website, it
should - read the conditions thoroughly before you book when given the options links.