Carrier is required to pay or deposit any fine or penalty or to incur any expenditure by reason of the passenger’s failure to comply with laws, regulations, order, demands and travel requirements of the countries concerned or to produce the required document, the passenger shall on demand reimburse to Carrier any amount so paid or deposited and any expenditure so incurred. Carrier may use towards such expenditure any funds paid to Carrier for unused carriage, or any funds of the passenger in the possession of Carrier.