In April, Shawnee County invited all 19 other counties affected by the state's errors to join in the lawsuit. As of Friday, the counties joining Shawnee County were Rice, Ness, Russell, Lane, Trego, Cowley, Geary and Leavenworth.
A combination of errors dating back to 1999 in the state treasurer's office resulted in the improper distribution of fuel tax revenues. Some counties received more than they should have, while other counties were underpaid.
The state Legislature this year addressed the matter, but the counties received restoration of the shortfall for only three years, not the full nine years.
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