The need for sustaining of public finance stability is indicated as a key element of proper and effective, sound fiscal policy. Both revenues and expenditures are very strictly regulated by the public finance law provisions. Discussion conducted by experts concerning activities for consolidation in area of public finance very often focused on the substance of provisions of these basic acts of law. Retrospective analysis could lead to the conclusion (prove the thesis) that the importance of special law acts which are strictly functionally linked with state budget for particular budgetary year – to some extent – has not been adequately assessed and even noticed yet in theoretical studies. Due to above mentioned circumstances, in this article the changes in public finance law provisions were presented, which were implemented during procedures of preparation budgetary acts projects in the period 2009-2012, which confirm thesis formulated by the author. Article has an analytical character.