LoNNe is an EU-COST (cooperation for science and technology, http://www.cost.eu/) action to collaborate internationally in matters concerning light pollution. To date 15 nations are involved in LoNNe (http://www.cost.eu/domains_actions/essem/Actions/ES1204). The workshop will focus on (a) legislation, how to support people who develop laws and guidelines and (b) how to proceed with standard operating procedures.