UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

Current Report

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): February 5, 2021

CITIBANK CREDIT CARD ISSUANCE TRUST

(Issuing Entity in respect of the Notes)

(Exact name of issuing entity as specified in its charter)

CITIBANK CREDIT CARD MASTER TRUST I

(Issuing Entity in respect of the Collateral Certificate)

(Exact name of issuing entity as specified in its charter)

CITIBANK, N.A.

(Exact name of depositor and sponsor as specified in its charter)

Registrant’s telephone number, including area code: (212) 559-1000

(Former name or former address, if changed since last report): Not Applicable

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

Securities registered pursuant to Section 12(b) of the Act:

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company  ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  ☐

As of February 5, 2021, Citibank, N.A., as Seller, elected to extend the Series 2009 Expected Final Payment Date from the February 2021 Distribution Date to the February 2023 Distribution Date in accordance with the terms of the Series 2009 Supplement. In addition, as of February 5, 2021, Citibank, N.A., as Seller and sole Series 2009 Certificateholder, elected in accordance with the terms of the Series 2009 Supplement to change the floating interest rate payable on the Series 2009 Certificate by designating 1.48% as the “Applicable Margin” for the Interest Period beginning on the February 2021 Distribution Date and for each Interest Period thereafter unless and until the Seller and the Series 2009 Certificateholder designate a different “Applicable Margin” by notice to the Trustee.

Capitalized terms used but not defined herein have the meanings ascribed to such terms in the Series 2009 Supplement dated as of May 1, 2009 as amended and restated as of August 9, 2011, as further amended as of July 10, 2012, and as further amended as of November 3, 2017, to the Third Amended and Restated Pooling and Servicing Agreement dated as of October 5, 2001, as amended and restated as of October 5, 2001, as further amended and restated as of August 9, 2011, and as further amended and restated as of November 10, 2016, each between Citibank, N.A., as Seller and Servicer, and Deutsche Bank Trust Company Americas, as Trustee.

Attached as Exhibit 99.1 hereto is a copy of the notice of Extension of Series 2009 Expected Final Payment Date. Attached as Exhibit 99.2 hereto is a copy of the notice of Designation of Applicable Margin for Series 2009.

(d) Exhibits.

The following exhibits are filed herewith:

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Dated: February 5, 2021

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