This subsection does not apply to a candidate for: President or Vice President of the United States; or any federal office who seeks nomination by petition. Unless the individual is a registered voter affiliated with the political party, an individual may not be a candidate for: an office of that political party; or except as provided in subsection (b) of this section, nomination by that political party. The requirements for party affiliation specified under subsection (a) of this section do not apply to a candidate for: a judicial office; or a county board of education.