Allow 4-6 weeks, more as the summer travel season approaches. Be sure you can handle your own baggage when necessary. Conditions and Responsibility Participation in the program has certain conditions and responsibilities. The Principia Corporation and its agents can accept no responsibility for losses or additional expenses due to delays or changes in air or other services, sickness, weather, strike, war, quarantine, or other causes. All such losses or expenses will be borne by the passenger.
Baggage is entirely at the owner's risk.
The right is reserved to substitute hotels of similar category and to make any changes in the itinerary where deemed necessary. The Principia Corporation also reserves the right to cancel any tour prior to departure, in which case full refund will constitute full settlement to the passenger of moneys paid for travel and land arrangements. Participants directly making their own travel and lodging arrangements with airlines and other concerns are not subject to the Principia refund policy described here. In this case, the participant must negotiate their claimed refund with the company with whom they directly made their travel and lodging arrangements. Principia does not sell or recommend any trip cancellation insurance packages.