What penalties are envisioned for offences related to electoral fraud?

Swiss Criminal Code od 21 December 1937 (Status as of 1 July 2013)

http://www.admin.ch/ch/e/rs/3/311.0.en.pdf

Article 282. 1.  Anyperson who forges, falsifies, removes or destroys an electoral register,

any person who participates in an election or a vote,or signs a request for a referendum or an initiative without authority, and

any person who falsifies the results of an election orvote or a petition requesting a referendum or initiative, in particular byadding, altering, omitting, deleting ballot papers or signatures, counting themincorrectly or incorrectly certifying the result,

is liable to a custodial sentence not exceeding threeyears or to a monetary penalty.

2.  Ifthe offender acts in official capacity, the penalty is a custodial sentence notexceeding three years or to a monetary penalty of not less than 30 dailypenalty units. The custodial sentence may be combined with a monetary penalty.

Article282. bis Vote catching

Anyperson who systematically collects, completes or alters ballot papers, ordistributes ballot papers which have been completed or altered in this way isliable to a fine.