What penalties are envisioned for offences related to incentive driven voter coercion?

Iceland
Answer
Both fine and imprisonment
Source
Almenn hegningarl?g (General Penal Code), (published1940-02-12, last amended 2005-05-24)
http://www.althingi.is/lagas/131b/1940019.html
English link: http://www.wipo.int/wipolex/en/text.jsp?file_id=190913
Comment
See the law for details on the penalties.