{"cik":"0000868110","entityType":"other","sic":"","sicDescription":"","ownerOrg":null,"insiderTransactionForOwnerExists":0,"insiderTransactionForIssuerExists":0,"name":"DEFINED ASSET FUNDS MUNICIPAL INVT TR FD INTERM TERM SER 203","tickers":[],"exchanges":[],"ein":null,"lei":null,"description":"","website":"","investorWebsite":"","category":"","fiscalYearEnd":"1231","stateOfIncorporation":"NY","stateOfIncorporationDescription":"NY","addresses":{"mailing":{"street1":null,"street2":null,"city":null,"stateOrCountry":null,"zipCode":null,"stateOrCountryDescription":null,"isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null},"business":{"street1":"450 LEXINGTON AVENUE","street2":"C/O DAVIS POLK & WARDWELL","city":"NEW YORK","stateOrCountry":"NY","zipCode":"10017","stateOrCountryDescription":"NY","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null}},"phone":null,"flags":"","formerNames":[],"filings":{"recent":{"accessionNumber":["0000950103-03-001731","0000934850-03-000058","0000934850-02-001323","0000934850-01-001253","0000934850-01-001040","0000934850-01-000796","0001005477-00-004969","0001005477-00-004875","0000934850-00-000899","0000950112-99-000761","0000950112-99-000725","0000934850-99-000884","0000934850-99-000025","0000950103-98-000788","0000950112-98-000647","0000950112-98-000579","0000934850-98-001675","0000934850-98-000447","0000950112-97-000706","0000950112-97-000685","0000950112-97-000599","0000934850-97-001313","0000950112-96-001743","0000950112-96-001546","0000350221-96-000385","0000950103-96-000130","0000950112-95-001505","0000950112-95-001365","0000934850-95-003103","0000950112-94-001481","0000950103-94-002899","0000950112-94-001348","0000950103-94-000929"],"filingDate":["2003-08-26","2003-03-27","2002-03-25","2001-04-03","2001-03-21","2001-03-21","2000-06-30","2000-06-26","2000-03-15","1999-05-21","1999-05-12","1999-03-11","1999-01-22","1998-08-17","1998-05-22","1998-05-13","1998-03-10","1998-03-02","1997-05-28","1997-05-28","1997-05-15","1997-02-24","1996-05-24","1996-05-15","1996-02-15","1996-01-17","1995-06-01","1995-05-17","1995-02-17","1994-05-31","1994-05-31","1994-05-18","1994-02-17"],"reportDate":["2003-05-31","2002-12-31","2001-12-31","","","2000-12-31","","","1999-12-31","","","1998-12-31","","","","","1997-12-31","1997-12-31","","","","1996-12-31","","","1995-12-31","","","","1994-12-31","","","","1993-12-31"],"acceptanceDateTime":["2003-08-26T18:40:33.000Z","2003-03-27T20:34:55.000Z","2002-03-25T05:00:00.000Z","2001-04-03T04:00:00.000Z","2001-03-21T05:00:00.000Z","2001-03-21T05:00:00.000Z","2000-06-30T04:00:00.000Z","2000-06-26T04:00:00.000Z","2000-03-15T05:00:00.000Z","1999-05-21T04:00:00.000Z","1999-05-12T04:00:00.000Z","1999-03-11T05:00:00.000Z","1999-01-22T05:00:00.000Z","1998-08-17T04:00:00.000Z","1998-05-22T04:00:00.000Z","1998-05-13T04:00:00.000Z","1998-03-10T05:00:00.000Z","1998-03-02T05:00:00.000Z","1997-05-28T04:00:00.000Z","1997-05-28T04:00:00.000Z","1997-05-15T04:00:00.000Z","1997-02-24T05:00:00.000Z","1996-05-24T04:00:00.000Z","1996-05-15T04:00:00.000Z","1996-02-15T05:00:00.000Z","1996-01-17T05:00:00.000Z","1995-06-01T04:00:00.000Z","1995-05-17T04:00:00.000Z","1995-02-17T05:00:00.000Z","1994-05-31T04:00:00.000Z","1994-05-31T04:00:00.000Z","1994-05-18T04:00:00.000Z","1994-02-17T05:00:00.000Z"],"act":["","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","",""],"form":["24F-2NT","24F-2NT","24F-2NT","497","497","24F-2NT","497","485BPOS","24F-2NT","497","485BPOS","24F-2NT","497","497","497","485BPOS","24F-2NT/A","24F-2NT","497","497","485BPOS","24F-2NT","497","485BPOS","24F-2NT","497","497","485BPOS","24F-2NT","497","497","485BPOS","24F-2NT"],"fileNumber":["033-49179","033-49179","033-49179","033-49179","033-49179","033-49179","033-49179","033-49179","033-49179","033-49179","033-49179","033-49179","033-49179","033-49179","033-49179","033-49179","033-49179","033-49179","033-49179","033-49179","033-49179","033-49179","033-49179","033-49179","033-49179","033-49179","033-49179","033-49179","033-49179","033-49179","033-49179","033-49179","033-49179"],"filmNumber":["03866306","03620874","02583788","1593327","1575076","1573487","666567","660931","569645","99631906","99618355","99563016","99510879","98692077","98630422","98617828","98562326","98555240","97615342","97615210","97605874","97541705","96572397","96567646","96521666","96504434","95543961","95540600","95513203","94532371","94532079","94529306","94510295"],"items":["","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","",""],"core_type":["24F-2NT","24F-2NT","24F-2NT","497","497","24F-2NT","497","485BPOS","24F-2NT","497","485BPOS","24F-2NT","497","497","497","485BPOS","24F-2NT/A","24F-2NT","497","497","485BPOS","24F-2NT","497","485BPOS","24F-2NT","497","497","485BPOS","24F-2NT","497","497","485BPOS","24F-2NT"],"size":[5605,5390,5342,173905,389534,5385,79844,95766,5342,81966,98881,5167,394032,315274,152075,171088,5351,5266,168384,1369,188869,7557,156332,177347,5270,3376,142024,163598,5276,300880,1978,320109,5359],"isXBRL":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"isInlineXBRL":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"isXBRLNumeric":[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null],"primaryDocument":["mitf_its203.txt","b306.txt","a119.txt","0001.txt","0001.txt","0001.txt","0001.txt","0001.txt","","","","","","","","","","","","","","","","","","","","","","","","",""],"primaryDocDescription":["","","","","","","DAF-MITF ITS-203","DAF-MITF ITS-203","","DAF-MITF ITS-203","DAF-MITF ITS-203","","","","DAF-MITF ITS-203                MITF-B","DAF-MITF ITS-203                    MITF-B","","","DAF-MITF ITS-203                MITF-B","DAF-MITF ITS-203                MITF-B","DAF-MITF ITS-203                    MITF-B","","DAF-MITF ITS-203                MITF-B","DAF-MITF ITS-203                    MITF-B","","SUPPLEMENT TO PROSPECTUS","DAF-MITF ITS-203                MITF-B","DAF-MITF ITS-203                    MITF-B","","DAF-MITF ITS-203                MITF-B","SUPPLEMENT TO PROSPECTUS","DAF-MITF ITS-203                    MITF-B",""]},"files":[]}}