TAXATION MANAGEMENT USING ASYCUDA++ Ó UNCTAD - SITE (V1.15) A.2 General Notes ................................................................................................................. 16 Taxation Processing......................................................................................................... 17 General segment level ...................................................................................................... 17 Declaration item level........................................................................................................ 17 Rates of Taxation............................................................................................................. 17 Inserting Rates of Taxation................................................................................................ 18 Validity Dates .................................................................................................................. 19 Simplified Data Management............................................................................................. 19 Default Taxation Rate Values  ............................................................................................ 19 Customs Tariff Management  ............................................................................................. 20 Defining The Tariff Range.................................................................................................. 20 Additional Selection.......................................................................................................... 21 Update 'Actions'............................................................................................................... 21 Taxation Rules for Special Circumstances ........................................................................... 21 Writing Special Taxation Rules  .......................................................................................... 21 Tax Rules in Commodity Code........................................................................................... 21 Tax Rules in Customs Procedure Codes ............................................................................. 22 Tax Rules used with Agreement codes ............................................................................... 22 Tax Rules in Countries and Preference Codes ..................................................................... 22 Tax Rules in Market Values ............................................................................................... 23 Summary: ....................................................................................................................... 23 Taxation Management - Table Structures  ........................................................................... 24 Taxation Rules Editor - Syntax ........................................................................................... 24 Rule Functions  ................................................................................................................ 24 Rule Variables ................................................................................................................. 33 Keywords........................................................................................................................ 36