The provisions of this code applicable to transfers of ownership for valuable consideration of businesses or customer lists are extended to any agreement for valuable consideration, the effect of which is to allow a person to exercise a profession, function or employment occupied by a previous holder, even when the said agreement concluded with this holder or his successors in title is not accompanied by a transfer of customer list.
Duties are payable on all sums the payment of which is imposed on the successor under the agreement, by whatever name, as well as on all charges incumbent on him in the same capacity.