The total amount of these expenses shall be distributed among all the villages of the community, according to the wealth indicated for each of them in the cadastre of Bardenas, taking into account that, even when any of the co-user villages did not pay taxes as a consequence of not making use of them [the Bardenas], their [use] rights remain, since [these rights]  are necessary and irrevocable and they [the villages] shall enjoy them as long as they had not explicitly renounced to them.