(a) As of the implementation date of this chapter, each trial court shall establish a trial court employment selection and advancement system which shall become the minimum selection and advancement system for all trial court employees and shall become part of the sole trial court employee personnel system. The trial court employment selection and advancement system shall replace any county employment selection and advancement systems applying to trial court employees prior to the implementation date as provided in this article, except as otherwise specified in this article. This article establishes minimum standards, and each trial court employment selection and advancement system shall, at a minimum, conform to the requirements of this article.
(b) Until such time as a trial court establishes a trial court employment selection and advancement system as provided in this article, the minimum standards required pursuant to this article shall be the trial court employment selection and advancement system.