15 U.S. Code § 1693f - Error resolution
If the financial institution determines that an error did occur, it shall promptly, but in no event more than one business day after such determination, correct the error, subject to section 1693g of this title, including the crediting of interest where applicable.
If a financial institution receives notice of an error in the manner and within the time period specified in subsection (a) of this section, it may, in lieu of the requirements of subsections (a) and (b) of this section, within ten business days after receiving such notice provisionally recredit the consumer’s account for the amount alleged to be in error, subject to section 1693g of this title, including interest where applicable, pending the conclusion of its investigation and its determination of whether an error has occurred. Such investigation shall be concluded not later than forty-five days after receipt of notice of the error. During the pendency of the investigation, the consumer shall have full use of the funds provisionally recredited.
If the financial institution determines after its investigation pursuant to subsection (a) or (c) of this section that an error did not occur, it shall deliver or mail to the consumer an explanation of its findings within 3 business days after the conclusion of its investigation, and upon request of the consumer promptly deliver or mail to the consumer reproductions of all documents which the financial institution relied on to conclude that such error did not occur. The financial institution shall include notice of the right to request reproductions with the explanation of its findings.
 See References in Text note below.
Section 1693m of this title, referred to in subsec. (e), was in the original a reference to section 915 of Pub. L. 90–321, and was translated as meaning section 916 of Pub. L. 90–321 to reflect the probable intent of Congress and the renumbering of section 915 of Pub. L. 90–321 as section 916 by Pub. L. 111–24, title IV, § 401(1), May 22, 2009, 123 Stat. 1751.
2010—Subsec. (f)(7). Pub. L. 111–203 substituted “Bureau” for “Board”.