The Kansas Senate’s top Republican is pushing to override GOP Gov. Sam Brownback’s veto of a bill enmeshed in a multi-million dollar tax dispute involving a retired pizza magnate.

Senate President Susan Wagle said Brownback “turned his back on Kansas taxpayers” earlier this month when he rejected the bill over a provision dealing with how tax disputes are handled. Lawmakers expect to vote on overriding the veto Wednesday.

The provision would have ensured that any taxpayer losing a dispute before the Board of Tax Appeals could have another full trial in district court before a limited review by the state Court of Appeals.

Legislators are considering the issue as ex-pizza magnate Gene Bicknell is asking the state Supreme Court to order the state to refund $42.5 million in income taxes.