{"cik":"0000780458","entityType":"other","sic":"","sicDescription":"","ownerOrg":null,"insiderTransactionForOwnerExists":0,"insiderTransactionForIssuerExists":0,"name":"DEFINED ASSET FUNDS MUNICIPAL INVT TR FD MULTISTATE SER 1Z","tickers":[],"exchanges":[],"ein":"000000000","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":"ONE LIBERTY PLZ 21ST FL 165 BROADWAY","street2":"C/O MERRILL LYNCH PIERCE FENNER & SMITH","city":"NEW YORK","stateOrCountry":"NY","zipCode":"10080","stateOrCountryDescription":"NY","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null}},"phone":null,"flags":"","formerNames":[],"filings":{"recent":{"accessionNumber":["0000950103-07-000225","0000950103-06-000832","0000934850-05-000198","0000934850-04-000381","0000934850-03-000055","0000934850-02-001317","0000934850-01-001254","0000934850-01-001040","0000934850-01-000989","0000934850-00-001273","0000934850-99-000153","0000934850-98-002419","0000934850-98-001002","0000934850-97-000482","0000950112-96-003589","0000950112-96-003450","0000780489-96-000147","0000950103-96-000142","0000950112-95-002673","0000950112-95-002539","0000934850-95-002381","0000950112-94-002630","0000950112-94-002496","0000950103-94-002348","0000950103-94-000681"],"filingDate":["2007-01-30","2006-03-29","2005-03-31","2004-04-01","2003-03-27","2002-03-25","2001-04-03","2001-03-21","2001-03-21","2000-03-15","1999-03-09","1998-03-10","1998-03-03","1997-02-19","1996-10-04","1996-09-25","1996-02-16","1996-01-17","1995-10-11","1995-09-27","1995-02-17","1994-10-03","1994-09-21","1994-05-31","1994-02-16"],"reportDate":["2006-11-30","2005-12-31","2004-12-31","2003-12-31","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":["2007-01-29T22:44:34.000Z","2006-03-29T11:58:31.000Z","2005-03-31T19:54:43.000Z","2004-03-31T23:21:02.000Z","2003-03-27T20:34:01.000Z","2002-03-25T05:00:00.000Z","2001-04-03T04:00:00.000Z","2001-03-21T05:00:00.000Z","2001-03-21T05:00:00.000Z","2000-03-15T05:00:00.000Z","1999-03-09T05:00:00.000Z","1998-03-10T05:00:00.000Z","1998-03-03T05:00:00.000Z","1997-02-19T05:00:00.000Z","1996-10-04T04:00:00.000Z","1996-09-25T04:00:00.000Z","1996-02-16T05:00:00.000Z","1996-01-17T05:00:00.000Z","1995-10-11T04:00:00.000Z","1995-09-27T04:00:00.000Z","1995-02-17T05:00:00.000Z","1994-10-03T04:00:00.000Z","1994-09-21T04:00:00.000Z","1994-05-31T04:00:00.000Z","1994-02-16T05:00:00.000Z"],"act":["33","33","33","","","","","","","","","","","","","","","","","","","","","",""],"form":["24F-2NT","24F-2NT","24F-2NT","24F-2NT","24F-2NT","24F-2NT","497","497","24F-2NT","24F-2NT","24F-2NT","24F-2NT/A","24F-2NT","24F-2NT","497","485BPOS","24F-2NT","497","497","485BPOS","24F-2NT","497","485BPOS","497","24F-2NT"],"fileNumber":["033-02213","033-02213","033-02213","033-02213","033-02213","033-02213","033-02213","033-02213","033-02213","033-02213","033-02213","033-02213","033-02213","033-02213","033-02213","033-02213","033-02213","033-02213","033-02213","033-02213","033-02213","033-02213","033-02213","033-02213","033-02213"],"filmNumber":["07562166","06716619","05719406","04707338","03620869","02583771","1594212","1574755","1573753","570046","99560213","98563095","98555825","97538777","96639316","96634260","96522489","96504447","95579767","95576562","95513523","94551362","94549782","94531515","94509739"],"items":["","","","","","","","","","","","","","","","","","","","","","","","",""],"core_type":["24F-2NT","24F-2NT","24F-2NT","24F-2NT","24F-2NT","24F-2NT","497","497","24F-2NT","24F-2NT","24F-2NT","24F-2NT/A","24F-2NT","24F-2NT","497","485BPOS","24F-2NT","497","497","485BPOS","24F-2NT","497","485BPOS","497","24F-2NT"],"size":[5836,5581,5579,5515,5509,5478,203401,389534,5518,5468,5298,5488,5402,7690,151466,172161,5388,3526,147619,168769,5394,815524,840115,2128,5287],"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],"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],"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],"primaryDocument":["mitf_mss1z.txt","ml_780458.txt","mss1z.txt","cik780458.txt","b300.txt","a113.txt","0001.txt","0001.txt","0001.txt","","","","","","","","","","","","","","","",""],"primaryDocDescription":["","","","","","","","","","","","","","","DAF-MITF MSS 1Z                 MITF-B","DAF-MITF MSS 1Z                     MITF-B","","SUPPLEMENT TO PROSPECTUS","DAF-MITF MSS 1Z                 MITF-B","DAF-MITF MSS 1Z                     MITF-B","","DAF-MITF MSS 1Z                 MITF-B  MITF-C","DAF-MITF MSS 1Z                     MITF-B MITF-C","SUPPLEMENT TO PROSPECTUS",""]},"files":[]}}