Message

Value added tax point date code MUST be coded using a restriction of UNTDID 2005.

Context
cac:InvoicePeriod/cbc:DescriptionCode
Test
((not(contains(normalize-space(.), ' ')) and contains(' 3 35 432 ', concat(' ', normalize-space(.), ' '))))
Usage
/ ubl:Invoice / cac:InvoicePeriod / cbc:DescriptionCode
/ ubl:CreditNote / cac:InvoicePeriod / cbc:DescriptionCode