The act included a clause prohibiting the Polish nobles from electing a monarch without the consent of the Lithuanian nobles, and the Lithuanian nobles from electing a grand duke without the consent of the Polish monarch.
O documento contiña unha cláusula que prohibía aos nobres polacos elixir un monarca sen o consentimento os lituanos, e a estes escoller un gran duque sen o beneplácito do monarca polaco.