Originally Posted by
FindAWay
My experience is that it will depend on the individual checking you in. I have had 4 separate comp'd room reservations each booked with a companion TR account on the reservation this year at different CET LV properties. 3 of the 4 required IDs and TR cards from both guests. The most recent one did not - she required only the ID and TR card for the guest under whose name the reservation was made.
Just back from Imperial Palace and they never asked for anything other than my ID, but the Rio, on the same trip did ask for it.
Seems to vary like you suggest.