All applications for the appropriation of water to beneficial use as filed with the chief engineer, subsequent to May 5, 1941, and all processing, proceedings and certificates pertaining thereto are validated to same extent as if filed after the effective date of this act, but with priorities as of the dates of filing of applications. All subsequent processing of such applications as are still pending and undetermined shall be further considered and processed as provided in this act.
K.S.A. 82a-715