(a) An SCI SRO shall make, keep, and preserve all documents relating to its compliance with Regulation SCI as prescribed in §240.17a-1 of this chapter.

(b) An SCI entity that is not an SCI SRO shall:

(1) Make, keep, and preserve at least one copy of all documents, including correspondence, memoranda, papers, books, notices, accounts, and other such records, relating to its compliance with Regulation SCI, including, but not limited to, records relating to any changes to its SCI systems and indirect SCI systems;

(2) Keep all such documents for a period of not less than five years, the first two years in a place that is readily accessible to the Commission or its representatives for inspection and examination; and

(3) Upon request of any representative of the Commission, promptly furnish to the possession of such representative copies of any documents required to be kept and preserved by it pursuant to paragraphs (b)(1) and (2) of this section.

(c) Upon or immediately prior to ceasing to do business or ceasing to be registered under the Securities Exchange Act of 1934, an SCI entity shall take all necessary action to ensure that the records required to be made, kept, and preserved by this section shall be accessible to the Commission and its representatives in the manner required by this section and for the remainder of the period required by this section.