All acts and proceedings taken by any county court of this state purporting to have been carried out under the provisions of this article which have been taken, prior to the date this section takes effect, for the purpose of creating public service districts or for the purpose of subsequent inclusion of additional territory to existing public service districts, after notice published by any such county court having territorial jurisdiction thereof of its intention to include such additional territory after hearing thereon, are hereby validated, ratified, approved and confirmed notwithstanding any other lack of power (other than Constitutional) of any such county court to create such public service districts or to include additional territory to existing public service districts or irregularities (other than Constitutional) in such proceedings, relating to the appointment and qualification of more than three members to the board of any such public service district or the subsequent appointment of successors of any or all of such members, notwithstanding that no city, incorporated town or other municipal corporation having a population in excess of three thousand is included within the district, and the appointment and qualification of such members, and further including any irregularities in the petition for the creation of any public service district, irregularities in the description of the area embraced by such district, and irregularities in the notice and publication of notice for the hearing creating such district, prior to the date this section takes effect, is hereby validated, ratified, approved and confirmed; and, further, in such cases where more than three members of the board of such districts have been so appointed prior to the date this section takes effect then such county court shall appoint, and they are hereby authorized and empowered to appoint, successors to such members in the manner as otherwise provided by this article.