Ex-post control Investigative proceedings in federal administration number % Federal Ministry of the Interior 1,751 27.48 Federal Ministry of Labour, Social Affairs and Consumer Protection 1,733 27.19 Federal Ministry of Justice 1,056 16.57 Federal Ministry for Transport, Innovation and Technology 405 6.36 Federal Ministry of Finance 389 6.10 Federal Ministry of Agriculture, Forestry, Environment and Water Management 228 3.58 Federal Ministry of Family and Youth 212 3.33 Federal Ministry of Science, Research and Economy 200 3.14 169 2.65 Federal Ministry of Education and Women‘s Affairs 106 1.66 Federal Ministry of Defence and Sports 63 0.99 Federal Ministry for Europe, Integration and Foreign Affairs 31 0.49 Federal Chancellery 29 0.46 6,372 100 Federal Ministry of Health (excl. health and accident insurance) TOTAL* *six cases did not fall into the area of responsibility of any of the Ministries; the AOB maintains them as files to be handled by the Chairperson of the AOB 1.1.2 Investigative proceedings of regional and municipal government authorities in 2014 The Federal Constitution leaves it up to the Constitutions of the Laender to put monitoring and control of the administration of the Land within the area of responsibility of the AOB. All Laender, with the exception of Tyrol and Vorarlberg, have utilised this provision. In 2014, the AOB conducted a total of 3,095 investigative proceedings of regional and municipal government administration. In comparison to the previous year, the number of investigated cases in this sector rose by 7% (2013: 2,893). complaints concerning regional and municipal authorities go up 30 Not surprisingly, Vienna, the most populous Land by far, has the highest percentage of investigative proceedings (37.9%). Lower Austria had 20.9% of the cases, while Styria and Upper Austria had 13.1% and 10.8% of the cases respectively. In comparison to the previous year, complaints have increased in all Laender with the exception of Carinthia, Upper Austria and Salzburg.