the reason for matching date = period is the VAT system
both partners have to declare the VAT of the same document in the same periode
as the period is not printed on the documents (and it shouldn't because it's not common to do so) only the date is available to determine the period for both partners.
the reason for matching date = period is the VAT system
both partners have to declare the VAT of the same document in the same periode
as the period is not printed on the documents (and it shouldn't because it's not common to do so) only the date is available to determine the period for both partners.