Pauline Hanson and David Ettridge have both been found guilty of electoral fraud charges and jailed for three years.
Hanson, 49, and Ettridge, 58, pleaded not guilty to fraudulently registering One Nation in Queensland on December 4, 1997. Hanson also pleaded not guilty to dishonestly obtaining nearly $500,000 in electoral funding after the 1998 Queensland state election.
After deliberating for nine hours, a Brisbane District Court jury found the pair guilty on all counts.
Judge Patsy Wolfe made no recommendation for parole.