you could try the social service funded by the state churches (Catholic and Reformed), which offers pragmatic advice on social matters and questions of budget and usual practice/rules within Switzerland. http://www.ksdz.ch/index.php?id=4
Although they are not lawyers, nor can they be authorities on your particular question, I think they might know - or find out - to which government department you could turn. Perhaps they would make some of the enquiries for you, or help you write the right letters, etc. This service is free for anyone, irrespective of personal religious or church affiliation, or the absence thereof.