A double by-election will be held on Jan 16 next year for the N66 Bugaya state seat in Sabah and the P54 Gerik parliamentary seat in Perak.<br /><br />Nominations will be held on Jan 4, followed by 12 days of campaigning, according to Election Commission (EC) chairperson Abdul Ghani Salleh.<br /><br />Early voting will take place on Jan 12.