(e) make the conclusion of contracts subject to acceptance by the other parties of supplementary obligations which, by their nature or according to commercial usage, have no connection with the subject of such contracts.
(e) chun go gcuirfear conarthaí i gcrích, é a chur de choinníoll go nglacfaidh na páirtithe eile le hoibleagáidí forlíontacha nach bhfuil baint ar bith acu, ón a nádúr ná ó ghnás na tráchtála, le hábhar na gconarthaí sin.