On page 4, after line 33, insert the following:
     "(9) Any permit issued by the department of ecology for a large on-site sewage system under chapter 90.48 RCW is valid until it first expires after the effective date of this section. The system owner shall apply for an operating permit at least one hundred twenty days prior to expiration of the department of ecology permit."

     Renumber the remaining subsection consecutively and correct any internal references accordingly.