(1) On or before the eighth business day after the end of each month, each pool handler shall report for such months, to the administrator with respect to the pool plant(s) operated by such handler, and/or for all pool milk marketed to nonpool plants, on forms provided by the administrator, the following:

(a) the quantities and butterfat content of milk received or marketed from the farms of pool dairymen during the month, the location of the pool plant where the milk was first received, and the pounds thereof which qualified as quota milk;

(b) the quantities and butterfat contents of milk and fluid milk products received from other pool plants during the month together with the classification of such products as agreed upon with the operator of the pool plant from which received, provided that if a classification is not agreed upon, such milk shall be assigned to class III, to the extent such use is available, and thereafter in sequence to class II and class I;

(c) the quantities and butterfat content of any other receipts of nonpool milk, the pounds and butterfat and skim milk content of all other dairy products received during the month (except nonfluid milk products disposed of in the form in which received without further processing) ;

(d) the quantities and butterfat and skim milk content of all inventories of milk and other dairy products on hand in the pool plant at the beginning of the month;

(e) the quantities and butterfat and skim milk content of all milk and milk products disposed of from the pool plant during the month, and in the case of any such products transferred in fluid form to the pool plants of other pool handlers, the classification of such products as agreed upon with the operator of the other pool plants, provided that if no agreement is reached, a classification shall be assigned in accordance with (1) (b) hereof;

(f) the quantities and butterfat and skim milk content of all milk and other dairy products utilized in the processing or manufacturing of dairy products in the pool plant during the month, together with the same information for the products produced;

(g) the disposition made of any pool milk marketed by the pool handler during the month which was not received at his pool plant(s) , and the utilization made of such milk;

(h) the quantities together with the butterfat and skim milk content of inventories of all milk and dairy products on hand in the pool plant at the end of the month.

(2) Each producer handler shall report to the administrator complete information with respect to his receipt or purchase of milk and dairy products during the month, and the disposition of use thereof. Such report shall be made at the times and in such manner as may be required by the administrator, and the producer handler shall maintain records of his operations as required under the rules of the Milk Control Bureau, and present them for audit by the pool administrator when so requested by him.

(3) Each pool handler shall maintain complete records and accounts of all pool milk received or marketed, and all other milk and dairy products received at each of his pool plants, and the use or disposition of such milk and dairy products for each month together with payments received or made therefore, and shall retain records of the foregoing transactions and other records as required under the rules of the Milk Control Bureau and present them for audit by the administrator as required by him.