The proposals are the brain child of Swiss businessman turned politician Thomas Minder, who runs a small family company producing natural cosmetics.
Mr Minder wants shareholders to have a veto over managers' salaries, and to ban golden handshakes altogether.
The "fat cat initiative", as it has come to be called, would, if approved, be written into the Swiss constitution, and would apply to all Swiss companies listed on Switzerland's stock exchange.
Mr Minder, an outspoken man, says