 After the Austrian National Socialists in 1926 mainly assumed the leadership of Adolf Hitler, Bolek was designated as the Deputy "Gauleiter" of Upper Austria.When Alfred Proksch, the Gauleiter, was appointed in 1927 as Deputy Country Director, Bolek was promoted to the top of the regional administration.In 1932 he was Chairman of NS Group, the Council of the City of Linz, but in the following year, the Nazi party was banned by the Austrian government.