If there is an error in billing, such as a mistake regarding the acreage, impervious surface coverage, watershed boundary, rate category, or land use classification of the real property at issue, the director shall correct the error. Refunds, if any, shall be in accordance with SCC 25.20.110(4). (Added by Amended Ord. 15-069, Nov. 16, 2015, Eff date Jan. 1, 2016).