(a) This Court shall approve a nominating petition, and such petition shall be used by a candidate.

(b) A candidate may have his or her name printed on the ballot by submitting a valid nominating petition and biographical sketch to the clerk in whose office the election is to be held, in the manner prescribed by such clerk, provided that said petition and biographical sketch is received by the clerk not later than 30 days before the election. A candidate's biographical sketch shall not exceed 300 words and shall not include images such as photographs.

(c) In the case of a member of The Appellate Judicial Commission to be elected from a court of appeals district, the nominating petition must be signed by not less than 20 members of The Missouri Bar in good standing residing in such district, at least 10 of whom do not reside in the same judicial circuit as the candidate.

(d) In the case of a member to be elected to a circuit judicial commission, the nominating petition must be signed by not less than 20 members of The Missouri Bar in good standing residing in such circuit if the circuit contains, according to the last decennial census of the United States, 400,000 or more inhabitants, and by not less than 10 if the circuit contains fewer than 400,000 such inhabitants.

(e) If any member of The Missouri Bar has signed a petition for a candidate for a particular office and term and such petition has been received by the clerk as above provided, his or her signature on any petition for another candidate for the same office and term shall not be counted, unless the first candidate has died, become disqualified, or given written notice to the clerk of his or her withdrawal as a candidate. 

(f) Rule 10.10 shall not apply to run-off elections.