Nomination rules in elections regulate the conditions under which a candidate or political party is entitled to stand for election. The criteria to stand as a candidate depends on the individual legal system. They may include the age of a candidate, citizenship, endorsement by a political party and profession. Laws restrictions, such as competence or moral aptitude, can be used in a discriminatory manner. Restrictive and discriminatory nomination rules can impact the civil rights of candidates, political parties, and voters.