"Regulamentul Organic" was adopted in its two very similar versions on July 13, 1831 (July 1, OS) in Wallachia and January 13, 1832 (January 1, OS) in Moldavia, after having minor changes applied to it in Saint Petersburg (where a second commission from the Principalities, presided by Mihail Sturdza and Alexandru Vilara, assessed it further).