Sections 713.06 to 713.12, inclusive, of the Revised Code do not repeal, reduce, or modify any power granted by law or charter to any municipal corporation or the legislative authority thereof, or impair or restrict the power of any municipal corporation under Article XVIII of the Ohio Constitution. And where a new municipal corporation is created out of the territory of a county or township or any part thereof in which territory zoning regulations have been previously adopted as provided by sections 303.02 to 303.25, inclusive, or sections 519.02 to 519.25, inclusive, of the Revised Code, such regulations may be adopted and continued in full force and effect by the newly created municipal corporation without following the procedure prescribed by sections 713.07 to 713.11, inclusive, of the Revised Code and the council of such newly incorporated municipal corporation may continue such zoning provisions in effect by the enactment of an emergency ordinance as provided by law.

Sections 713.06 to 713.12, inclusive, of the Revised Code do not authorize a municipal corporation to reserve the use of any private property for future public use for the purpose of extending or widening streets.