R.I. Gen. Laws § 24-3-29
If the person appealing from any appraisal of damages made by the town council shall fail to have the damages increased on the appeal, the person shall pay the costs, and shall have judgment for the amount of damages awarded him or her, but if the damages are increased on the appeal, then the person shall have judgment for the damages and costs awarded to him or her, and execution may issue therefor; and every person appealing from any assessment of taxes for curbstones who shall fail to have the taxes reduced on appeal shall be adjudged to pay the costs of suit, and the collector of taxes may proceed to collect the taxes as if the appeal had not been taken, but if the appellant shall succeed in having the tax reduced, the appellant shall recover the costs, and the collector of taxes shall collect from the appellant only so much of the tax as shall have been found on appeal to be due from the appellant.
R.I. Gen. Laws § 24-3-29