The purpose of the proposed amendments to Rules 12C-1.0222 and 12C-1.034, F.A.C., is to implement statutory changes made by Chapter 2017-36, L.O.F., which amended provisions in Chapter 220, F.S., to conform the timing of filing returns, making payments, and filing declarations to related timing provisions at the federal level. The purpose of the proposed amendments to Rule 12C-1.051, F.A.C., is to adopt, by reference, changes to forms used by the Department in the administration of corporate income tax.