A053 is a standard SAP Pooled Table which is used to store Taxes Using Jurisdiction Code data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The A053 table consists of various fields, each holding specific information or linking keys about Taxes Using Jurisdiction Code data available in SAP. These include KAPPL (Application), KSCHL (Condition type), ALAND (Departure country (country from which the goods are sent)), MWSKZ (Tax on sales/purchases code)... See below for full list along with technical details, documentation, text table, check tables, foreign key relationships, conversion routines, relevant tcodes and example ABAP select code etc. .