“25. … In view of the diversity of commercial and professional transactions, it is impossible to give a more appropriate reply as to the method of determining in every case the necessary relationship which must exist between the input and output transactions in order for input VAT to become deductible. It is for the national courts to apply the ‘direct and immediate link’ test to the facts of each case before them and to take account of all the circumstances surrounding the transactions at issue.” 14. Other legislative wording describes the link in different terms. Article 1(2) of the PVD states that the VAT payable is calculated on the price of the goods or services “after deduction of the amount of VAT borne directly by the various cost components”