++++ 1 . Agriculture - Common organization of the markets - Milk and milk products - Additional levy on milk - "Holding" - Concept - Leased agricultural production units - Not utilized for milk production - Inclusion ( Council Regulation No 857/84, Art . 12(d ) ) 2 . Community law - Principles - Fundamental rights - Restrictions - Permissibility - Conditions - Tenant of a farm - Expiry of tenancy - Lessee' s right to compensation for his labour and investments - Application in the context of the scheme for an additional levy on milk - Alternative offered to Member States ( Council Regulation No 857/84 ) 3 . Agriculture - Common organization of the markets - Milk and milk products - Additional levy on milk - Rules relating to transfers of reference quantities following a change of ownership or occupancy - Scope - Surrender on expiry of a lease of a holding not utilized for milk production at the time when lease was granted - Inclusion ( Commission Regulation No 1371/84, Art . 5(3 ) )