Article 31 Markets
(1)
A market operator must ensure that all animals are divided into lots of one or more animals immediately upon their arrival at the market and that a lot number is allocated to each lot.
(2)
No person shall buy an animal at a market unless he buys all the other animals in the lot to which that animal belongs and moves the entire lot from the market to the same holding.
(3)
No person shall sell an animal at a market unless he also sells all the other animals in the lot to the same buyer.