Article 2 SALES TAX This article is included in your selections. Sections: 4.02.010 Purpose. 4.02.020 Definitions. 4.02.030 Tax imposed – Amount. 4.02.040 Point of sale. 4.02.050 Exemptions. 4.02.060 Credit for taxes previously paid. 4.02.070 Collection, administration and enforcement. 4.02.080 Tax brackets. 4.02.090 Penalty and interest on untimely self-collected tax.