In order for the statutory auditor to also be approved to carry out the assurance of sustainability reporting, the test of theoretical knowledge referred to in paragraph 1 shall also cover at least the following subjects:
(a)
legal requirements and standards relating to the preparation of annual and consolidated sustainability reporting;
(c)
due diligence processes with regard to sustainability matters;
(d)
legal requirements and assurance standards for the sustainability reporting referred to in Article 26a.