<SEC-DOCUMENT>0001752724-23-100547-index.html : 20230515 <SEC-HEADER>0001752724-23-100547.hdr.sgml : 20230515 <ACCEPTANCE-DATETIME>20230515151555 ACCESSION NUMBER: 0001752724-23-100547 CONFORMED SUBMISSION TYPE: N-CEN PUBLIC DOCUMENT COUNT: 4 CONFORMED PERIOD OF REPORT: 20230228 FILED AS OF DATE: 20230515 DATE AS OF CHANGE: 20230515 EFFECTIVENESS DATE: 20230515 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Invesco Municipal Income Opportunities Trust CENTRAL INDEX KEY: 0000835333 IRS NUMBER: 133473972 STATE OF INCORPORATION: MA FISCAL YEAR END: 0530 FILING VALUES: FORM TYPE: N-CEN SEC ACT: 1940 Act SEC FILE NUMBER: 811-05597 FILM NUMBER: 23921296 BUSINESS ADDRESS: STREET 1: 1331 SPRING STREET N.W. STREET 2: SUITE 2500 CITY: ATLANTA STATE: GA ZIP: 30309 BUSINESS PHONE: 404-439-3217 MAIL ADDRESS: STREET 1: 1331 SPRING STREET N.W. STREET 2: SUITE 2500 CITY: ATLANTA STATE: GA ZIP: 30309 FORMER COMPANY: FORMER CONFORMED NAME: MORGAN STANLEY MUNICIPAL INCOME OPPORTUNITIES TRUST DATE OF NAME CHANGE: 20011220 FORMER COMPANY: FORMER CONFORMED NAME: MSDW MUNICIPAL INCOME OPPORTUNITIES TRUST DATE OF NAME CHANGE: 19981221 FORMER COMPANY: FORMER CONFORMED NAME: MUNICIPAL INCOME OPPORTUNITIES TRUST/MA DATE OF NAME CHANGE: 19930721 </SEC-HEADER> <DOCUMENT> <TYPE>N-CEN <SEQUENCE>1 <FILENAME>primary_doc.xml <TEXT> Document 1 - file: primary_doc.html
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</DOCUMENT> <DOCUMENT> <TYPE>INST DEFINING RIGHTS <SEQUENCE>2 <FILENAME>488162_-_OIA_G.b.ii.htm <TEXT> Document 2 - file: 488162_-_OIA_G.b.ii.htm
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