(B) During the last term of the court of general sessions held in each county before December thirty-first of each year, the clerk of court shall randomly draw from the twelve members serving their first six-month term on the grand jury the names of six of the grand jurors who have not served two consecutive six-month terms. Those six members together with twelve grand jurors selected in the manner prescribed in this article shall constitute the grand jury for the six-month period beginning on January first of the succeeding year and ending on June thirtieth of that year.

(C) During the last term of the court of general sessions held in each county before July first of each year, the clerk of court shall randomly draw from the twelve members serving their first six-month term on the grand jury the names of six of the grand jurors who have not served two consecutive six-month terms. Those six members together with twelve grand jurors selected in the manner prescribed in this article shall constitute the grand jury for the ensuing period beginning on July first and ending on December thirty-first of that year.

(D) The drawing of these names by the clerk of court has the same force and effect as if the names of the six grand jurors had been drawn in the presence of the presiding judge.

(E) No person shall serve as a grand juror for more than two consecutive six-month terms.