<SEC-DOCUMENT>0001287695-15-000288-index.html : 20150826 <SEC-HEADER>0001287695-15-000288.hdr.sgml : 20150826 <ACCEPTANCE-DATETIME>20150826153115 ACCESSION NUMBER: 0001287695-15-000288 CONFORMED SUBMISSION TYPE: NSAR-B PUBLIC DOCUMENT COUNT: 5 CONFORMED PERIOD OF REPORT: 20150630 FILED AS OF DATE: 20150826 DATE AS OF CHANGE: 20150826 EFFECTIVENESS DATE: 20150826 FILER: COMPANY DATA: COMPANY CONFORMED NAME: BLACKROCK MUNICIPAL BOND FUND, INC. CENTRAL INDEX KEY: 0000225635 IRS NUMBER: 132896246 STATE OF INCORPORATION: NJ FISCAL YEAR END: 0630 FILING VALUES: FORM TYPE: NSAR-B SEC ACT: 1940 Act SEC FILE NUMBER: 811-02688 FILM NUMBER: 151075917 BUSINESS ADDRESS: STREET 1: 100 BELLEVUE PARKWAY CITY: WILMINGTON STATE: DE ZIP: 19809 BUSINESS PHONE: 800-441-7762 MAIL ADDRESS: STREET 1: 100 BELLEVUE PARKWAY CITY: WILMINGTON STATE: DE ZIP: 19809 FORMER COMPANY: FORMER CONFORMED NAME: MERRILL LYNCH MUNICIPAL BOND FUND INC DATE OF NAME CHANGE: 19920703 FORMER COMPANY: FORMER CONFORMED NAME: ONE LIBERTY MUNICIPAL BOND FUND INC DATE OF NAME CHANGE: 19780622 <SERIES-AND-CLASSES-CONTRACTS-DATA> <EXISTING-SERIES-AND-CLASSES-CONTRACTS> <SERIES> <OWNER-CIK>0000225635 <SERIES-ID>S000002334 <SERIES-NAME>BlackRock National Municipal Fund <CLASS-CONTRACT> <CLASS-CONTRACT-ID>C000006118 <CLASS-CONTRACT-NAME>Investor A </CLASS-CONTRACT> <CLASS-CONTRACT> <CLASS-CONTRACT-ID>C000006119 <CLASS-CONTRACT-NAME>Investor B </CLASS-CONTRACT> <CLASS-CONTRACT> <CLASS-CONTRACT-ID>C000006120 <CLASS-CONTRACT-NAME>Investor C1 </CLASS-CONTRACT> <CLASS-CONTRACT> <CLASS-CONTRACT-ID>C000006121 <CLASS-CONTRACT-NAME>Institutional </CLASS-CONTRACT> <CLASS-CONTRACT> <CLASS-CONTRACT-ID>C000038033 <CLASS-CONTRACT-NAME>Investor C </CLASS-CONTRACT> <CLASS-CONTRACT> <CLASS-CONTRACT-ID>C000100249 <CLASS-CONTRACT-NAME>Service Shares </CLASS-CONTRACT> <CLASS-CONTRACT> <CLASS-CONTRACT-ID>C000100250 <CLASS-CONTRACT-NAME>BlackRock Shares </CLASS-CONTRACT> </SERIES> <SERIES> <OWNER-CIK>0000225635 <SERIES-ID>S000002335 <SERIES-NAME>BlackRock Short-Term Municipal Fund <CLASS-CONTRACT> <CLASS-CONTRACT-ID>C000006122 <CLASS-CONTRACT-NAME>Investor A1 </CLASS-CONTRACT> <CLASS-CONTRACT> <CLASS-CONTRACT-ID>C000006124 <CLASS-CONTRACT-NAME>Investor C </CLASS-CONTRACT> <CLASS-CONTRACT> <CLASS-CONTRACT-ID>C000006125 <CLASS-CONTRACT-NAME>Institutional </CLASS-CONTRACT> <CLASS-CONTRACT> <CLASS-CONTRACT-ID>C000038034 <CLASS-CONTRACT-NAME>Investor A </CLASS-CONTRACT> <CLASS-CONTRACT> <CLASS-CONTRACT-ID>C000038035 <CLASS-CONTRACT-NAME>BlackRock </CLASS-CONTRACT> </SERIES> <SERIES> <OWNER-CIK>0000225635 <SERIES-ID>S000011867 <SERIES-NAME>BlackRock High Yield Municipal Fund <CLASS-CONTRACT> <CLASS-CONTRACT-ID>C000032425 <CLASS-CONTRACT-NAME>Investor A </CLASS-CONTRACT> <CLASS-CONTRACT> <CLASS-CONTRACT-ID>C000032427 <CLASS-CONTRACT-NAME>Investor C </CLASS-CONTRACT> <CLASS-CONTRACT> <CLASS-CONTRACT-ID>C000032428 <CLASS-CONTRACT-NAME>Institutional </CLASS-CONTRACT> </SERIES> </EXISTING-SERIES-AND-CLASSES-CONTRACTS> </SERIES-AND-CLASSES-CONTRACTS-DATA> </SEC-HEADER> <DOCUMENT> <TYPE>NSAR-B <SEQUENCE>1 <FILENAME>answer.fil <TEXT> Document 1 - file: answer.fil
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.77O RULE 10F-3 <SEQUENCE>2 <FILENAME>atldev77o.htm <TEXT> Document 2 - file: atldev77o.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.77O RULE 10F-3 <SEQUENCE>3 <FILENAME>tribor77o.htm <TEXT> Document 3 - file: tribor77o.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.77O RULE 10F-3 <SEQUENCE>4 <FILENAME>ky77o.htm <TEXT> Document 4 - file: ky77o.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.77B ACCT LTTR <SEQUENCE>5 <FILENAME>muni477b.htm <TEXT> Document 5 - file: muni477b.htm
</DOCUMENT> </SEC-DOCUMENT>