The Municipal Council of Aigina in Greece seven years ago tried to take legal action against the chemtrail spraying:

http://www.enouranois.gr/english/Council_Resolution/indexenglish.htm

They were persuaded, on legal advice, to abandon the suit:

http://www.enouranois.gr/english/reportazenglish/indexenglish4.htm

The question is whether the moratorium changes the legal situation and whether the conditions that led Ms. Margari to advise the Aigina Council against pursuing the suit still prevail.