Modifying Default Properties
Click on the Viewport Properties 
button at the top right of a viewport to modify the viewport properties. This opens the editor for Viewport Properties.
By default, clippings planes are visible in viewport according to the settings used in the Clipping Planes editor. This behavior corresponds to the No override property.
You can force clipping planes to be enabled or disabled in this viewport by selecting the desired option from the drop-down list.