OFFICES AND OFFICERS ‑- COUNTY ‑- PROSECUTING ATTORNEYS ‑- POWER OF COUNTY COMMISSIONERS TO PROHIBIT PRIVATE LAW PRACTICE BY PROSECUTING ATTORNEYS ‑- SAME AS TO FIXING SALARIES (1) The county commissioners of a second (or lower) class county may not make a law prohibiting their prosecuting attorney from engaging in the private practice of law where the legislature has enacted a statute which permits such practice. (2) A county may not pay its prosecuting attorney a salary greater than that fixed by RCW 36.17.020, as consideration for his agreement not to engage in private practice.