Louisiana constitution
Article 1
Section 10

(C) Exception. Notwithstanding the provisions of Paragraph (B) of this Section, a person who desires to qualify as a candidate for or hold an elective office, who has been convicted of a felony and who has served his sentence, but has not been pardoned for such felony, shall be permitted to qualify as a candidate for or hold such office if the date of his qualifying for such office is more than fifteen years after the date of the completion of his original sentence.