<SEC-DOCUMENT>0001206774-20-003135-index.html : 20201207 <SEC-HEADER>0001206774-20-003135.hdr.sgml : 20201207 <ACCEPTANCE-DATETIME>20201207083240 ACCESSION NUMBER: 0001206774-20-003135 CONFORMED SUBMISSION TYPE: N-CSRS PUBLIC DOCUMENT COUNT: 5 CONFORMED PERIOD OF REPORT: 20200930 FILED AS OF DATE: 20201207 DATE AS OF CHANGE: 20201207 EFFECTIVENESS DATE: 20201207 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Delaware Investments National Municipal Income Fund CENTRAL INDEX KEY: 0000895574 IRS NUMBER: 411737161 STATE OF INCORPORATION: MA FISCAL YEAR END: 0330 FILING VALUES: FORM TYPE: N-CSRS SEC ACT: 1940 Act SEC FILE NUMBER: 811-07410 FILM NUMBER: 201371434 BUSINESS ADDRESS: STREET 1: 100 INDEPENDENCE STREET 2: 610 MARKET STREET CITY: PHILADELPHIA STATE: PA ZIP: 19106-2354 BUSINESS PHONE: 18005231918 MAIL ADDRESS: STREET 1: 100 INDEPENDENCE STREET 2: 610 MARKET STREET CITY: PHILADELPHIA STATE: PA ZIP: 19106-2354 FORMER COMPANY: FORMER CONFORMED NAME: DELAWARE INVESTMENTS FLORIDA INSURED MUNICIPAL INCOME FUND DATE OF NAME CHANGE: 20020327 FORMER COMPANY: FORMER CONFORMED NAME: VOYAGEUR FLORIDA INSURED MUNICIPAL INCOME FUND DATE OF NAME CHANGE: 19930519 FORMER COMPANY: FORMER CONFORMED NAME: VOYAGEUR FLORIDA INSURD MUNICIPAL INCOME FUND DATE OF NAME CHANGE: 19930122 </SEC-HEADER> <DOCUMENT> <TYPE>N-CSRS <SEQUENCE>1 <FILENAME>diinmif3826701-ncsrs.htm <DESCRIPTION>CERTIFIED SEMI-ANNUAL SHAREHOLDER REPORT OF REGISTERED MANAGEMENT <TEXT> Document 1 - file: diinmif3826701-ncsrs.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.CERT <SEQUENCE>2 <FILENAME>diinmif3826701-ex99cert.htm <DESCRIPTION>CERTIFICATION <TEXT> Document 2 - file: diinmif3826701-ex99cert.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.906 CERT <SEQUENCE>3 <FILENAME>diinmif3826701-ex99906cert.htm <DESCRIPTION>CERTIFICATION PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 <TEXT> Document 3 - file: diinmif3826701-ex99906cert.htm
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</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>macquarie_logo.gif <DESCRIPTION>GRAPHIC <TEXT> Document 5 - file: macquarie_logo.gif
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