85.3. Where a Member or former Member is found guilty of a penal offence in a judgment that has become res judicata, no costs or expenses may be paid and the Assembly shall recover any costs or expenses paid except where the Office, after obtaining the advice of the jurisconsult, is of the opinion that the Member or former Member had reasonable grounds for believing that the conduct in question was in conformity with the law. In the latter case, the Assembly shall assume the payment of any pecuniary penalty.