Article 86U.K.Control arrangements
With regard to the operations, which are contracted out to third parties, the full description of the unit referred to in Article 63(1)(a) shall include:
(a)
a list of the subcontractors with a description of their activities and an indication of the control bodies or authorities to which they are subject;
(b)
written agreement by the subcontractors that their holding will be subject to the control regime of Title V of Regulation (EC) No 834/2007;
(c)
all the practical measures, including inter alia an appropriate system of documentary accounts, to be taken at the level of the unit to ensure that the products the operator places on the market can be traced to, as appropriate, their suppliers, sellers, consignees and buyers.