The primary purpose of certifying a DTS voucher or a local
voucher is that it has the capability of allowing payments in regards of the
expenses that the individual has claimed, that is why it is important for DTS
voucher or local voucher to be certified because of its primary purpose that
will benefit the individual.
Additionally is the answer your looking for :)
I think there are three countries that are located in this region: Syria,Irak and Turkey.