Do you need a hotel confirmation form when boarding?

Don't worry about printing in advance, since you are worried that the other party will ask, why not make this preparation in advance.

Air tickets are printed on the travel itinerary. You can change your boarding pass in your passport. If necessary, the other party will open it and return it directly to you if it is not needed.

The hotel confirmation form has been printed and will be handed in on your passport when you check in, so that the hotel can find your check-in information more easily and quickly and handle your check-in more quickly.