Lego ordinance says someone who is elected is automatically a member unless he refuses within 7 days and the only way he ceases to be is by resigning or changing his nationality or if the president decides so based on a few criteria, none if which list not properly taking ones oath. Together with the oath ordinance it is rather unclear whether or not they are actually legislators.
Luckily attending meetings is not a requirement to get paid or none of the bunch would get any money.