20. Producers who are subject to the data collection obligations in regulation 16 must maintain records of the following information—
(a)for small producers who are sellers, online marketplace operators, distributors, service provider or importers, the information in paragraph 21(1);
(b)for large producers who are brand owners or packers/fillers, the information in paragraph 22;
(c)for all other large producers, the information in paragraphs 21 and 22;
(d)for producers who are licensors or pub operating businesses, the information in paragraphs 21 and 22(3).