In "My NCL" in the "Vacation Summary" for your cruise they will be listed under the "Itinerary & Planned Activities" section. It will also be listed on your eDocs when they are available, approx. 30 days prior to departure.
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Log into your MyNCL account and look at your reservation details. Along with the details of the travel and your stateroom, you will find details of anything that you have pre-booked or pre-purchased like show reservations, dinner reservations and shore excursions.
If you are still not sure, call NCL's reservation desk and they will be able to confirm it for you.
Just as an FYI, you can also make the reservations once you are on the ship.
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