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UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 FORM 20 - F REGISTRATION STATEMENT PURSUANT TO SECTION 12 ( b ) OR ( g ) OF THE SECURITIES EXCHANGE ACT OF 1934 ( Mark One ) OR OR OR ㅁ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31 , 2020 TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from SHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of event requiring this shell company report Commission file number : 001-39570 TIM S.A. ( Exact name of Registrant as specified in its charter ) TIM , Inc. ( Translation of Registrant's name into English ) THE FEDERATIVE REPUBLIC OF BRAZIL ( Jurisdiction of incorporation or organization ) João Cabral de Melo Neto Avenue , 850 - South Tower - 12th floor 22775-057 Rio de Janeiro , RJ , Brazil ( Address of principal executive offices ) Adrian Calaza Chief Financial Officer and Investor Relations Officer TIM S.A. João Cabral de Melo Neto Avenue , 850 - North Tower - 12th 22775-057 Rio de Janeiro , RJ , Brazil floor Securities registered or to be registered pursuant to Section 12 ( b ) of the Act : Title of each class Common Shares , without par value * Tel : 55 21 4109-4167 ri@timbrasil.com.br ( Name , Telephone , E - mail and / or Facsimile Number and Address of Company Contact Person ) Name of each exchange on which registered New York Stock Exchange New York Stock Exchange American Depositary Shares , as evidenced by American Depositary Receipts , each representing five Common Shares * Not for trading , but only in connection with the listing of American Depositary Shares on the New York Stock Exchange Securities registered or to be registered pursuant to Section 12 ( g ) of the Act : Securities for which there is a reporting obligation pursuant to Section 15 ( d ) of the Act : None None Indicate the number of outstanding shares of each of the issuer's classes of capital or common stock as of the close of the period covered by the annual report . Title of Class Common Shares , without par value Number of Shares Outstanding 2,420,804,398 to Indicate by check mark if the registrant is a well - known seasoned issuer , as defined in Rule 405 of the Securities Act . Yes No If this report is an annual or transition report , indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or 15 ( d ) of the Securities Exchange Act of 1934 . Yes No Note - Checking the box above will not relieve any registrant required to file reports pursuant to Section 13 or 15 ( d ) of the Securities Exchange Act of 1934 from their obligations under those Sections . Indicate by check mark whether the registrant ( 1 ) has filed all reports required to be filed by Section 13 or 15 ( d ) of the Securities Exchange Act of 1934 during the preceding 12 months ( or for such shorter period that the registrant was required to file such reports ) , and ( 2 ) has been subject to such filing requirements for the past 90 days . Yes No Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S - T during the preceding 12 months ( or for such shorter period that the registrant was required to submit such files ) . Yes No Indicate by check mark whether the registrant is a large accelerated filer , an accelerated filer , a non - accelerated filer , or an emerging growth company . See the definitions of " large accelerated filer , " " accelerated filer , " and " emerging growth company " in Rule 12b - 2 of the Exchange Act . Large Accelerated Filer Accelerated Filer Non - accelerated Filer Emerging growth company If an emerging growth company that prepares its financial statements in accordance with U.S. GAAP , 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 . † The term " new or revised financial accounting standard " refers to any update issued by the Financial Accounting Standards Board to its Accounting Standards Codification after April 5 , 2012 . Indicate by check mark whether the registrant has filed a report on and attestation to its management's assessment of the effectiveness of its internal control over financial reporting under Section 404 ( b ) of the Sarbanes - Oxley Act ( 15 U.S.C. 7262 ( b ) ) by the registered public accounting firm that prepared or issued its audit report . Indicate by check mark which basis of accounting the registrant has used to prepare the financial statements included in this filing : U.S. GAAP International Financial Reporting Standards as issued by the International Accounting Standards Board Other If " Other " has been checked in response to the previous question , indicate by check mark which financial statement item the registrant has elected to follow . Item 17 Item 18 If this is an annual report , indicate by check mark whether the registrant is a shell company ( as defined in Rule 12b - 2 of the Exchange Act ) . Yes No