The first consideration of the First Statute of Lithuania took place in 1522 at the Seimas of the Grand Duchy of Lithuania in Vilnius. The Statute of Lithuania has been drafted under the guidance of Grand Chancellor of Lithuania Albertas Goštautas and in accordance with the courts' jurisprudence formed by customary law, Heads of State legislation on certain matters and by the provisions of the canon law and Roman law regulations. It is the first official codification of this kind of secular law in Europe.