They are listed in the last sticky (codes)
LPR and DPR are local and regional promotional rates sometimes due to a membership but not always requiring proof of that membership.
Internal comparison - comparing one Marriott rate with another Marriott rate (such as with and without a discount code but w/o ID requirement; a telephone rate)
Originally Posted by
azmojo
OK, I couldn't find what LPR and DPR mean.
And, can you clarify what is an "internal comparison?"