TAXATION MANAGEMENT USING ASYCUDA++ Ó UNCTAD - SITE (V1.15) A.5 Taxation Management ASYCUDA ++ Taxation Controls Taxation calculations are performed through a very flexible and powerful facility that allows the use of   most   of   the   declaration   fields   and   control   table   data   elements.   Taxation   is   set   up   using MODCHQCF and MODCHQ. ASYCUDA++ can apply all known methods and combinations of tax calculation. Taxation rates are integrated  with  the  automated  Customs  tariff.  Queries  at  Commodity  Code  level  give  a  quick  and simple visual display, showing the tax columns and tax rates used in calculations. The  ability  to  define  a  priority  order  for  taxes  sets  the  sequence  for  application,  allowing  for situations where one tax is included in the basis for calculations of another tax. The general principles in building the taxation system are as follows                                             Figure A.1: Building the Taxation structure Install Customs Tariff - all Commodity Codes Build Taxation Structure - (Tax columns for Commodity Codes) General Application Rules for taxes, charges independent of Commodity or Procedure Codes Establish the values of variables for tax bases - Valuation Note Rules Write Tariff Rules to calculate normal tax for each taxation column Exceptions: Taxation applied across the Customs Tariff Taxation for specific Commodity Codes Taxation for specific Procedure Codes Write Special Taxation Rules Taxation for specific Preferences Taxation for specific Countries Special calculations of Market Values Taxation for specific Agreements