13.—(1) A producer to whom the obligation in regulation 10 applies in relation to a compliance period, or any part of a compliance period, shall keep records in writing of the following information—
(a)the amount in tonnes of all EEE which he has put on the market in the United Kingdom during that compliance period which falls within—
(i)each of the categories listed in Schedule 1 (excluding display equipment, cooling appliances containing refrigerants and gas discharge lamps),
(ii)display equipment,
(iii)cooling appliances containing refrigerants, and
(iv)gas discharge lamps; and
(b)for each category referred to in sub-paragraph (a), the amount in tonnes of EEE intended for use by—
(i)private households; and
(ii)users other than private households.
(2) The records referred to in this regulation shall be kept for a period of at least four years commencing on the date on which any such record is made and shall be made available to the appropriate authority on demand.