Hi @n.leguina,
Look here:
http://developer.rhino3d.com/api/RhinoCommon/html/P_Rhino_Render_ChangeQueue_ClippingPlane_ViewIds.htm
http://developer.rhino3d.com/api/RhinoCommon/html/M_Rhino_DocObjects_ClippingPlaneObject_RemoveClipViewport.htm
– Dale