Chapter 7.20 CLAIMS FOR REFUND OF TAXES AND ASSESSMENTS This chapter is included in your selections. Sections: 7.20.010 Scope. 7.20.020 Enjoining collection forbidden--Claims for recovery of taxes required. 7.20.030 Basis for tax refund claims to be stated. 7.20.040 Claims procedures. 7.20.050 Refund authorized when. 7.20.060 Processing of claims. 7.20.090 Time of commencement of lawsuit.