<SEC-DOCUMENT>0001292814-17-001162-index.html : 20170502 <SEC-HEADER>0001292814-17-001162.hdr.sgml : 20170502 <ACCEPTANCE-DATETIME>20170502160315 ACCESSION NUMBER: 0001292814-17-001162 CONFORMED SUBMISSION TYPE: NT 20-F PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20161231 FILED AS OF DATE: 20170502 DATE AS OF CHANGE: 20170502 EFFECTIVENESS DATE: 20170502 FILER: COMPANY DATA: COMPANY CONFORMED NAME: NATIONAL STEEL CO CENTRAL INDEX KEY: 0001049659 STANDARD INDUSTRIAL CLASSIFICATION: STEEL WORKS, BLAST FURNACES & ROLLING & FINISHING MILLS [3310] IRS NUMBER: 000000000 FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: NT 20-F SEC ACT: 1934 Act SEC FILE NUMBER: 001-14732 FILM NUMBER: 17804946 BUSINESS ADDRESS: STREET 1: RUA LAURO MULLER STREET 2: 116 36 ANDAR CITY: RIO DE JANEIRO RJ BR STATE: D5 ZIP: 00000 </SEC-HEADER> <DOCUMENT> <TYPE>NT 20-F <SEQUENCE>1 <FILENAME>sidform12b_25.htm <DESCRIPTION>FORM 12B-25 <TEXT> Document 1 - file: sidform12b_25.htm
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