<SEC-DOCUMENT>0001193125-17-238284-index.html : 20170727 <SEC-HEADER>0001193125-17-238284.hdr.sgml : 20170727 <ACCEPTANCE-DATETIME>20170727144805 ACCESSION NUMBER: 0001193125-17-238284 CONFORMED SUBMISSION TYPE: N-CSRS PUBLIC DOCUMENT COUNT: 13 CONFORMED PERIOD OF REPORT: 20170531 FILED AS OF DATE: 20170727 DATE AS OF CHANGE: 20170727 EFFECTIVENESS DATE: 20170727 FILER: COMPANY DATA: COMPANY CONFORMED NAME: MFS CHARTER INCOME TRUST CENTRAL INDEX KEY: 0000851170 IRS NUMBER: 043055815 FISCAL YEAR END: 1130 FILING VALUES: FORM TYPE: N-CSRS SEC ACT: 1940 Act SEC FILE NUMBER: 811-05822 FILM NUMBER: 17985760 BUSINESS ADDRESS: STREET 1: 111 HUNTINGTON AVENUE STREET 2: 24TH FLOOR CITY: BOSTON STATE: MA ZIP: 02199 BUSINESS PHONE: 18006372929 MAIL ADDRESS: STREET 1: 111 HUNTINGTON AVENUE STREET 2: 24TH FLOOR CITY: BOSTON STATE: MA ZIP: 02199 FORMER COMPANY: FORMER CONFORMED NAME: MFS PRINCIPAL INCOME TRUST DATE OF NAME CHANGE: 19890906 </SEC-HEADER> <DOCUMENT> <TYPE>N-CSRS <SEQUENCE>1 <FILENAME>d403744dncsrs.htm <DESCRIPTION>MFS CHARTER INCOME TRUST N-CSRS <TEXT> Document 1 - file: d403744dncsrs.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.(12)(A)(1) <SEQUENCE>2 <FILENAME>d403744dex9912a1.htm <DESCRIPTION>CODE OF ETHICS <TEXT> Document 2 - file: d403744dex9912a1.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.(12)(A)(3) <SEQUENCE>3 <FILENAME>d403744dex9912a3.htm <DESCRIPTION>NOTICE TO SHAREHOLDERS - SOURCE OF DISTRIBUTION <TEXT> Document 3 - file: d403744dex9912a3.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.CERT <SEQUENCE>4 <FILENAME>d403744dex99cert.htm <DESCRIPTION>SECTION 302 CERTIFICATIONS <TEXT> Document 4 - file: d403744dex99cert.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.906CERT <SEQUENCE>5 <FILENAME>d403744dex99906cert.htm <DESCRIPTION>SECTION 906 CERTIFICATIONS <TEXT> Document 5 - file: d403744dex99906cert.htm
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