PDFWAC 480-51-130
Indefinite discontinuance of service.
No certificate holder shall discontinue the service authorized under its certificate and set forth in its filed time schedule without first having given to the commission and to the public, at least fifteen days' notice, in writing, of its intention to discontinue such service, and without having secured the commission's permission. The commission shall not grant permission for discontinuance of service for periods exceeding twelve months.