Motion to Tax Costs Law and Legal Definition

Motion to tax costs is a motion to contest a claim for court costs submitted by a prevailing party in a lawsuit. The requests the judge to deny or reduce claimed costs. It is basically a challenge to the costs requested by the other party. For example, A who won a lawsuit claims a right to have his attorney fees paid by the loser, then the loser can file a "Motion to Tax Costs" to avoid paying these charges.