VF-1260
El campo ClaveRegimen solo debe de estar cumplimentado si el campo Impuesto está vacío o tiene valor IVA(01) o IPSI(02) o IGIC(03)
In English ClaveRegimen may only be given when the tax is VAT (01), IPSI (02), IGIC (03) or left out.
What the rule checks
As the rule set's publisher wrote it. The rule runs on every element the context matches, and fails where the test is false; the validator reports the line of that element.
[1260] El campo ClaveRegimen solo debe de estar cumplimentado si el campo Impuesto está vacío o tiene valor IVA(01) o IPSI(02) o IGIC(03)
/*:RegFactuSistemaFacturacion/*:RegistroFactura/*:RegistroAlta/*:Desglose/*:DetalleDesglose
not(*:ClaveRegimen) or $tax = ('01', '02', '03')
Checked with VERI*FACTU invoice records