1. Operators and groups of operators shall keep all the necessary documents, including stock and financial records, that will enable competent authorities or, where appropriate, control authorities or control bodies to carry out, in particular, the following checks:
(a)
checks on the preventive and precautionary measures taken in accordance with Article 9(6) and Article 28 of Regulation (EU) 2018/848;
(b)
the traceability check in accordance with Article 1(4) of Delegated Regulation (EU) 2021/771;
(c)
the mass balance check in accordance with Article 1(5) of Delegated Regulation (EU) 2021/771.
2. The documents to be kept for the purposes of the checks referred to in paragraph 1, point (a), shall include, in particular, documents confirming that the operator or group of operators has taken the proportionate and appropriate measures in order to:
(a)
prevent pests and diseases;
(b)
avoid contamination with products and substances that are not authorised for use in organic production in accordance with Regulation (EU) 2018/848 and the commingling with non-organic products.