1.The products of the wine sector shall be put into circulation in the Union with an officially authorised accompanying document.
2.Natural or legal persons or groups of persons who hold products covered by the wine sector in the exercise of their trade, in particular producers, bottlers, processors and merchants, shall keep inward and outward registers in respect of those products.
3.In order to facilitate the transport of wine products and the verification thereof by Member States, the Commission shall be empowered to adopt delegated acts in accordance with Article 227 on:
(a)rules on the accompanying document and its use;
(b)the conditions under which an accompanying document is to be regarded as certifying protected designations of origin or geographical indications;
(c)an obligation to keep a register and its use;
(d)who is obliged to keep a register and exemptions from that obligation;
(e)the operations to be included in the register.
4.The Commission may adopt implementing acts establishing:
(a)rules on the composition of the registers, the products to be contained therein, deadlines for entries in registers and the closures of registers;
(b)measures requiring Member States to determine the maximum acceptable percentages for losses;
(c)general and transitional provisions for the keeping of registers;
(d)rules determining how long accompanying documents and the registers are to be kept.
Those implementing acts shall be adopted in accordance with the examination procedure referred to in Article 229(2).