North American Product Classification System (NAPCS) Canada 2017 Version 2.0
- 521 - Passenger transportation services (including sightseeing)
- 52161 - Scenic and sightseeing tour services
- 521611 - Sightseeing services by rail
- 5216111 - Sightseeing services by rail
- 521612 - Sightseeing services by buses and other ground vehicles
- 5216121 - Sightseeing services by buses and other ground vehicles
- 521613 - Sightseeing services by water
- 5216131 - Sightseeing services by water
- 521614 - Sightseeing services by air
- 5216141 - Sightseeing services by air
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