39 U.S. Code § 3654 - Additional financial reporting
Additional financial reporting
(a) Additional Financial Reporting.—
(1)In general.—The Postal Service shall file with the Postal Regulatory Commission beginning with the first full fiscal year following the effective date of this section—
within 40 days after the end of each fiscal quarter, a quarterly report containing the information required by the Securities and Exchange Commission to be included in quarterly reports under sections 13 and 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m, 78o(d)) on Form 10–Q, as such Form (or any successor form) may be revised from time to time;
within 60 days after the end of each fiscal year, an annual report containing the information required by the Securities and Exchange Commission to be included in annual reports under such sections on Form 10–K, as such Form (or any successor form) may be revised from time to time; and
For purposes of defining the reports required by paragraph (1), the Postal Service shall be deemed to be the “registrant” described in the Securities and Exchange Commission Forms, and references contained in such Forms to Securities and Exchange Commission regulations are incorporated herein by reference, as amended.
(3)Internal control report.—
For purposes of defining the reports required by paragraph (1)(B), the Postal Service shall comply with the rules prescribed by the Securities and Exchange Commission implementing section 404 of the Sarbanes-Oxley Act of 2002 (15 U.S.C. 7262), beginning with the annual report for fiscal year 2010.
(b) Financial reporting.— 
(1) The reports required by subsection (a)(1)(B) shall include, with respect to the Postal Service’s pension and post-retirement health obligations—
components of the net change in the fund balances and obligations and the nature and cause of any significant changes;
the effect of a one-percentage point increase in the assumed health care cost trend rate for each future year on the service and interest costs components of net periodic postretirement health cost and the accumulated obligation;
actual contributions to and payments from the funds for the years presented and the estimated future contributions and payments for each of the following 5 years;
The Office of Personnel Management shall provide the data listed under paragraph (1) to the Postal Service not later than 30 days after the end of each fiscal year.
Beginning with reports for the fiscal year 2010, for purposes of the reports required under subparagraphs (A) and (B) of subsection (a)(1), the Postal Service shall include segment reporting.
For purposes of the reports required by subsection (a)(1)(B), the Postal Service shall obtain an opinion from an independent auditor on whether the information listed in subsection (b) is fairly stated in all material respects, either in relation to the basic financial statements as a whole or on a stand-alone basis.
The Postal Regulatory Commission shall have access to the audit documentation and any other supporting matter of the Postal Service and its independent auditor in connection with any information submitted under this section.
(e)Revised Requirements.—The Postal Regulatory Commission may, on its own motion or on request of an interested party, initiate proceedings (to be conducted in accordance with regulations that the Commission shall prescribe) to improve the quality, accuracy, or completeness of Postal Service data required under this section whenever it shall appear that—
(f) Confidential Information.—
If the Postal Service determines that any document or portion of a document, or other matter, which it provides to the Postal Regulatory Commission in a nonpublic annex under this section or pursuant to subsection (d) contains information which is described in section 410(c) of this title, or exempt from public disclosure under section 552(b) of title 5, the Postal Service shall, at the time of providing such matter to the Commission, notify the Commission of its determination, in writing, and describe with particularity the documents (or portions of documents) or other matter for which confidentiality is sought and the reasons therefor.
Any information or other matter described in paragraph (1) to which the Commission gains access under this section shall be subject to paragraphs (2) and (3) of section 504(g) in the same way as if the Commission had received notification with respect to such matter under section 504(g)(1).
 So in original. Probably should be capitalized.