Tryton is a high-level general purpose application platform. It is the base of a complete business solution as well as a comprehensive health and hospital information system (GNUHealth).

This module adds many codes from the United Nations Economic Commission for Europe (UNECE):

* Recommendation N°. 20 Codes for Units of Measure Used in International Trade

* 5153 Duty or tax or fee type name code

* 5305 Duty or tax or fee category code from