I. To accept faithfully and loyally all the regulations of the university concerning the production and the sale of books.
II. Not to make within the term of one month any agreement, real or nominal, transferring to themselves the ownership of books which had been placed in their hands for sale.
III. Not to permit the loss or disappearance of any book so consigned for the purpose later of acquiring ownership of the same.
IV. To declare conscientiously and exactly the just and proper price of each book offered for sale, and to specify such price, together with the name of the owner, in some conspicuous place in the work itself.
V. To make no disposition of a consigned book without having in the first place informed the owner or his representative of the price to be secured for the same, and to make immediate report and accounting of such price when received.
VI. To charge as commission for the service of selling such book not more than four deniers to a member of the university and not more than six deniers to an outsider. This commission was to be paid by the purchaser, who seems to have been considered the obliged party in the transaction.[291]
VII. To place conspicuously in the windows of their shops a price list of all works kept on sale.
The stationarii on their part were also held:
I. To employ no scribes for the production of manuscripts other than those who had been accepted and certified before the Rector.
II. To offer for sale or for hire no manuscripts that had not been passed upon and “taxed” by the appointed authority.