The certificate of incorporation may be amended, from time to time, to provide for any objective that was not included in the original certificate of incorporation by proceeding as follows:

(1) The board of directors of the corporation, subject to the approval of the Alabama Department of Mental Health, shall first adopt a resolution setting forth and approving the proposed amendment.

(2) The proposed amendment shall then be submitted to each governing body which has appointed or is entitled to appoint a member of the said board as it is constituted at the time of the adoption of the said resolution setting forth and approving the proposed amendment.

(3) If a governing body to which the proposed amendment is submitted shall find that the said amendment is in the public interest, and prima facie proof that it is in the public interest shall consist of proof that it has been approved by the Alabama Department of Mental Health, it shall adopt a resolution approving the said amendment; if any governing body to which the proposed amendment was submitted shall find that the said amendment is not in the public interest, it shall adopt a resolution disapproving the said amendment.

(4) A proposed amendment shall become effective immediately upon its being filed in the office of the judge of probate of the county in which the said principal office is located, and if the amendment provides for a change in the location of the principal office, it shall become effective immediately upon the filing of the original certification of incorporation, together with the amendment thereto, in the office of the judge of probate of the county in which the said principal office is to be relocated, as shown by the said amendment.