Offices expressly excluded from the provisions of this subchapter are:
(1) The judge of the county court created pursuant to Arkansas Constitution, Article 7, § 28, such office being an “elective county office” but not deemed separable from the county court which serves as a principal element of county government and constitutional organization;
(2) Justices of the peace who are deemed district offices; and
(3) Constables who are deemed township offices and who are not within the provisions of Arkansas Constitution, Amendment 55, § 2(b).