External ID Usage

Some tax types use external IDs for additional taxpayer identification on tax forms. These IDs may be assigned by the tax authority or by another agency. The variable calendar tax type business objects allows configuration to indicate whether an external ID is required, optional or not allowed on tax roles that reference this tax type.

A base business object validation algorithm is supplied to validate the external ID field on a tax role based on this configuration. Refer to the base Variable Calendar Tax Role business object for an example of how to configure this validation.