(1) makes a written declaration of his pecuniary interest under section 6.3.1 or 6.3.2 with the knowledge that it is incomplete or contains a false statement or information, or who
(2) in contravention of section 6.3.5 as to a matter that is to be taken up for consideration by a council, committee or commission of which he is a member and in which he knows he has, directly or indirectly, a personal pecuniary interest
(a) fails to disclose the general nature of that interest before the discussions on that matter are begun where he is present at the sitting at which it is to be taken up for consideration or, if he is not present, at the next sitting of the council, committee or commission he attends;
(b) fails to abstain from taking part in the discussions and from voting or attempting to influence the vote on the matter;
(c) fails to leave the sitting after having disclosed the general nature of his interest, while the matter is being discussed and voted on, where the sitting is not public,
is disqualified from holding office as chairman or as a member of the council of a municipality.
The disqualification continues until the expiry of a period of five years after the day on which the judgment declaring the person disqualified becomes a res judicata. The disqualification ceases, however, if the person obtains a pardon.