48 U.S.C. § 1423f

No person shall sit in the legislature who is not a citizen of the United States, who has not attained the age of twenty-five years and who has not been domiciled in Guam for at least five years immediately preceding the sitting of the legislature in which he seeks to qualify as a member, or who has been convicted of a felony or of a crime involving moral turpitude and has not received a pardon restoring his civil rights.