K.S.A. 55-1,109

If a public utility providing service from a gas gathering system determines that such utility lacks sufficient services or facilities to serve the needs of any person wishing to utilize such utility's services within such utility's certificated service area during any calendar year, such utility, not later than November 1 preceding the beginning of such calendar year, shall give notice thereof to the commission and to each person that such utility determines it will be unable to serve.