Switzerland’s University of St. Gallen has adopted an OA policy. See yesterday’s announcement in German or Google’s English. (Thanks to the Open Access Informationsplattform.)
I can’t yet find the text of the policy and the announcement does not provide details. But the goal of the new policy is "to ensure" (gewährleisten) OA for as many articles as possible through Alexandria, the St. Gallen repository.
I’ve written to St. Gallen and hope to have more soon.