In the chapter seventh the person of the sovereign standes out, perceives itself that the association form if locks up the reciprocal commitment of the public with the particular ones, showing as the sovereign must act without harming the sovereignty of a people. In the eighth chapter he portraies the ticket of the man of natural state for the civil state, in this part notices if one saves different, the man sees itself forced to act for other principles and to consult the reason before listening to its proper inclinations. This new state removed civil it of an animal state dull and limited an intelligent being and a man. Also the profit of the moral freedom can be increased in this civil state, that by itself becomes the man Sir of itself (pg.38). In the nineth chapter it speaks of the true domain (real domain), is for this act that the dumb ownership of nature, becoming property of the sovereign, therefore the State, in relation its members is Sir of all its goods. It also determines the conditions to be proprietor of a lot of land. To have right, on a land, it is necessary first that the land still is not inhabited by nobody, that the same only occupies the area necessary to subsistir and that it takes ownership for its work and culture of the area, this yes will be the only signal of property that in the lack of legal headings, will be respected by others. As the book is corporate of twelve chapters, where Rosseau deals with the legal part.
The twelve chapters described and are portraied on the legislation (pgs. 45-76). Being that in the first chapter of this book the sovereignty of the people is presented as being the exercise of general and indivisible desire. It is in this common interest that the society must be governed.