How the President’s GPU and his head Larisa Brycheva work - a woman on whom all laws in Russia depend The Presidential State Law (GPU) is a powerful department. Here they write amendments to the Constitution, turn into laws political decisions and block bills that are not necessary for the Kremlin. Anna Pushkarskaya tells the story of the GPU and his head of Larisa Brycheva - an official who holds this post longer than Vladimir Putin runs the country.