The necessity of the Abhisit government to enact the Additional Budget Act can be explained by the distinctive characters of the Thai budget system, which with the major parts of the budget are allocated to the departments according to their functions. Most of the budget items which appeared in the Additional Budget Act represent the allocations earmarked for political programs introduced by the Abhisit administration. This type of budget allocation responds to government needs to spend funds in excess of that already allocated to the departments.