The Luxembourg tax administration has published Circular L.G. - A no. 64, which sets out certain defensive measures taken in relation to the EU list of non-cooperative jurisdictions. In particular, the Circular provides that Luxembourg taxpayers will need to declare in their tax return if they have had any transactions with related parties located in a non-cooperative jurisdiction included in the EU list. Details of such transactions must be provided upon request, including the total transaction amount, a statement of income and expenses related to the transaction, and a statement of claims and debts owed to such parties locate in...