(a) The parties to a certification proceeding shall include:

(1) The applicant;

(2) Each municipality, county, and government agency or department or other person entitled to receive service of a copy of the application under § 23-18-513(a) if it has filed with the Arkansas Public Service Commission a notice of intervention as a party within thirty (30) days after service; or

(3) A person residing in a municipality or county that is entitled to receive service of a copy of the application under § 23-18-513(a) or any domestic nonprofit corporation formed in whole or in part to promote conservation or natural beauty, to promote energy conservation, to protect the environment, personal health, or other biological values, to represent commercial and industrial groups, or to promote the orderly development of the areas in which the facility is to be located if the:

(A) Person or organization has an interest that may be directly affected by the commission's action;

(B) Interest is not adequately represented by other parties; and

(C) Person or corporation has petitioned the commission for leave to intervene as a party within thirty (30) days after the date given in the public notice as the date of filing the application.

(b)

(1) Any person may make a limited appearance in the proceeding by filing a verified statement of position within thirty (30) days after the date given in the public notice as the date of filing the application.

(2) No person making a limited appearance shall be a party or shall have the right to receive further notice or to cross-examine witnesses on any issue outside the scope of its statement of position.

(3) The person making a limited appearance is subject to being called for cross-examination only on the subject matter of the statement of position by the applicant or other party. If the person fails to appear for cross-examination, if called, the statement of position may be stricken from the record at the discretion of the commission.

(c) Every notice of intervention and petition to intervene shall be in writing and shall comply with all procedural rules of the commission, and shall contain clear and concise statements of the nature of the right or interest of the petitioner or intervenor in the proceeding, the specific objections of the petitioner or intervenor to the applicant's proposal, the grounds and issues of fact and law upon which petitioner or intervenor wishes to be heard, and any other reasonable information which may be required by rule or order of the commission.

(d) For good cause shown, the commission may grant a petition for leave to intervene as a party or to make a limited appearance and to participate in subsequent phases of the proceeding, filed by any person who failed to file a timely notice of intervention or petition for leave to intervene, as the case may be, whose interests the commission finds are not otherwise adequately represented by another party and whose participation will not delay the proceedings, if the intervention or limited appearance is filed and served at least ten (10) days in advance of the date the hearing on the application is scheduled to commence.