P.R. Laws tit. 23, § 740
(a) The Administrator is authorized to make such surveys or investigations, and to obtain such information, as he may deem necessary and proper to assist him in the establishment of any regulation and order under §§ 731—745 of this title, or in the administration and enforcement hereof, and of the regulations, orders, and price schedules adopted hereunder.
(b) The Administrator is further authorized, personally or by his delegates, by regulation or order, to require any person engaged in a business involving staple commodities to furnish, under oath or otherwise, such information, and to keep and maintain such records and other documents, and to make such reports, as may be necessary to effectuate the purposes of §§ 731—745 of this title, and he may further require such person to permit the inspection and copying of his records, inventories, and other documents. The Administrator may take declarations under oath either personally or through his delegates, and he shall have power, when necessary, to issue subpoenas for the attendance of witnesses and the presentation of books and other documents.
(c) No person shall be excused from compliance with any requirement provided for in this section on the grounds of his privilege in regard to self-incrimination.
(d) All information obtained as a result of the aforementioned investigations shall be confidential insofar as not in conflict with the purposes for which it was obtained.
History —May 1, 1942, No. 228, p. 1268, § 9.