ITCB Itau CorpBanca

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

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FORM 6-K

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REPORT OF FOREIGN ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16 OF THE

SECURITIES EXCHANGE ACT OF 1934

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For the month of April 2023

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(Commission File No. 001-32305)

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ITAÚ CORPBANCA

(Translation of registrant’s name into English)

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Av. Presidente Riesco 5537

Las Condes

Santiago, Chile

(Address of registrant’s principal executive office)

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Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.

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Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101 (b) (1):

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Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101 (b) (7):

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Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

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On April 11, 2023, Banco Itaú Chile published a press release announcing that, on the same date, it filed a material event notice with the Chilean Commission for the Financial Market. The press release and material event notice are attached hereto as Exhibits 99.1 and 99.2, respectively.

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