Member States shall compile the statistics using a representative sample of records on imports and exports from customs declarations which contain the data on the invoicing currency.
Tiomsóidh na Ballstáit an staidreamh trí shampla ionadaíoch de thaifid ar allmhairí agus ar onnmhairí a úsáid, ar taifid iad as dearbhuithe custaim ina bhfuil na sonraí maidir leis an airgeadra sonraiscthe.