By 2020, all SNSF-funded publications should be freely accessible after six months at the latest. In an open letter, the SNSF has asked leading publishers to shorten their embargo periods.
http://www.snf.ch/en/researchinFocus/newsroom/Pages/news-191211-embargo-periods-open-letter-to-publishers.aspx [PDF (German)]
Will it have an impact?
Didier Ruedin 