++++ TAX PROVISIONS - HARMONIZATION OF LEGISLATION - TURNOVER TAXES - COMMON SYSTEM OF VALUE-ADDED TAX - DEDUCTION OF INPUT TAX - GOODS USED IN THE COURSE OF BUSINESS - CONDITION - SUPPLY OF GOODS TO A TAXABLE PERSON - CONCEPT - DIRECT DELIVERY TO THE EMPLOYEES OF THE UNDERTAKING CONCERNED - INCLUDED ( COUNCIL DIRECTIVE 67/228/EEC, ART . 11 ( 1 ) ( A ), AND COUNCIL DIRECTIVE 77/388/EEC, ART . 17 ( 2 ) ( A ) )