Extraordinary proceedings of Seym in 1637 were the third such event during the reign of Wladyslaw IV Waza. The King's decision to convene the parliament was criticized by noblemen, but despite the opposition the session was opened on June 3rd 1637. Local parliament (sejmik) of Cracow Voievodeship was one of the most important in Poland. The MPs elected by this 'sejmik' supported the King's decision. 'Sejmik' also instructed the MPs to support the King in his efforts to prepare the state to Turkish invasion and to get parliamentary consent on new taxes. The MPs were also instructed to support the efforts to establish special Treasury Tribunal in Radom to control the collection of taxes. During the sessions of Seym in 1637 the MPs from Cracow Voievodship followed the instructions and supported the King. The decisions of this Seym can be treated as King's success.