When viewed from the perspective of the hitherto made research, the royal legacja and royal proposal are regarded as the manifestation of the monarch’s right to introduce bill. If that opinion were true the subject of debate held in the General Seym of the Crown should be the preliminary bills as contained in these two undertakings: the one made in writing (legacja), the other articulated by the words of mouth (proposal). These preliminary bills should be also reflected in the content of statutory law as adopted on their basis. Yet when thoroughly read, the texts of preserved legacjas and proposals, dating back to the reign of Sigismund III, do not seem to support that opinion. In fact the legacjas and proposals contained no – even those preliminarily formulated – bills. The legacjas and proposals may only fall under the category of programs of sessions of the Seyms that were planned to be convened.

These were first of all the deputies who had the right to introduce bills. It was therefore in the lower house that, as a result of debates, the bills were formed. The concepts of such bills, when unanimously adopted by lower house deputies, were subsequently subjected to conclusive acceptance in the Senate, the acceptance being made in the presence of three debating estates