1. In case of damage to registered luggage, the carrier must pay compensation equivalent to the loss in value of the luggage, to the exclusion of all other damages.
2. The compensation shall not exceed:
(a)
if all the luggage has lost value through damage, the amount which would have been payable in case of total loss;
(b)
if only part of the luggage has lost value through damage, the amount which would have been payable had that part been lost.