The court also sentenced former Lega Nord treasurer Francesko Belsito to four years and 10 months in prison. Several other former Lega Nord officials and two local businesspeople were also found guilty of money laundering.
The court decided to seize 48 million euros ($56 million) of Lega Nord funds. About one million euros of this sum will be paid to the Senate and Chamber of Deputies, which were the victims in the case.
The corruption scandal, which forced Bossi to leave his post, erupted six years ago. According to the Italian prosecution, Lega Nord leadership gained about $58 million in public finances illegally. Most of the money was used for personal purposes, the prosecution said.
Lega Nord, created in 1989, calls for granting autonomy to northern Italian regions, thus turning Italy into a federal state.