++++ Tax provisions ° Harmonization of laws ° Turnover taxes ° Common system of value added tax ° Deduction of input tax ° Goods and services used both for transactions in respect of which VAT is deductible and transactions in respect of which it is not deductible ° Deductible proportion ° Calculation ° Receipt by a company managing immovable property of interest on investments of sums paid by owners and lessees ° Included (Council Directive 77/388, Art. 19(2))