UPDATE (new to Mecklenburg-Western Pomerania, Bremen and Saxony-Anhalt): Some regulatory authorities and the federal government have produced positive lists for data protection impact assessment. So theoretically a little more clarity when an estimate is needed. Stupid, everyone has their own list! And some countries still no. Baden-Wuerttemberg:

  1. Link for baden-wuerttemberg.datenschutz
  2. Link for Brandenburg.datenschutz
  3. Link for Bundesbeauftragte for the privacy and freedom of information
  4. Link for datenschutz-hamburg
  5. Link for Datenschutz Niedersachsen
  6. Link for the privacy and freedom of information Nordrhein-Westfalen