{"cik":"0001070691","entityType":"other","sic":"","sicDescription":"","ownerOrg":null,"insiderTransactionForOwnerExists":0,"insiderTransactionForIssuerExists":0,"name":"DEFINED ASSET FUNDS MUNICIPAL DEFINED FUND SERIES 15","tickers":[],"exchanges":[],"ein":"000000000","lei":null,"description":"","website":"","investorWebsite":"","category":"","fiscalYearEnd":"1231","stateOfIncorporation":"","stateOfIncorporationDescription":"","addresses":{"mailing":{"street1":"DAVIS POLK & WARDWELL","street2":"450 LEXINGTON AVE","city":"NEW YORK","stateOrCountry":"NY","zipCode":"10017","stateOrCountryDescription":"NY","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null},"business":{"street1":"C/O DAVIS POLK & WARDWELL","street2":"450 LEXINGTON AVE","city":"NEW YORK","stateOrCountry":"NY","zipCode":"10017","stateOrCountryDescription":"NY","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null}},"phone":null,"flags":"","formerNames":[],"filings":{"recent":{"accessionNumber":["0001013228-07-000300","0000950103-06-000950","0000934850-05-000084","0000934850-04-000361","0000950103-03-000894","0000934850-02-001148","0000934850-01-001256","0000934850-01-001177","0000934850-01-001043","0000912057-00-042410","0000912057-00-042191","0000934850-00-500024"],"filingDate":["2007-03-23","2006-03-29","2005-03-31","2004-04-01","2003-03-27","2002-03-25","2001-04-03","2001-03-28","2001-03-22","2000-09-25","2000-09-22","2000-08-25"],"reportDate":["2006-12-31","2005-12-31","2004-12-31","2003-12-31","2002-12-31","2001-12-31","","2000-12-31","","","",""],"acceptanceDateTime":["2007-03-23T14:40:01.000Z","2006-03-29T12:11:58.000Z","2005-03-31T19:42:45.000Z","2004-03-31T23:13:01.000Z","2003-03-27T18:39:30.000Z","2002-03-25T05:00:00.000Z","2001-04-03T04:00:00.000Z","2001-03-28T05:00:00.000Z","2001-03-22T05:00:00.000Z","2000-09-25T04:00:00.000Z","2000-09-22T04:00:00.000Z","2000-08-25T04:00:00.000Z"],"act":["33","33","33","","","","","","","","",""],"form":["24F-2NT","24F-2NT","24F-2NT","24F-2NT","24F-2NT","24F-2NT","497","24F-2NT","497","497","487","S-6"],"fileNumber":["333-44554","333-44554","333-44554","333-44554","333-44554","333-44554","333-44554","333-44554","333-44554","333-44554","333-44554","333-44554"],"filmNumber":["07713930","06716738","05719192","04707254","03620367","02583545","1593858","1582214","1576000","727691","726755","710354"],"items":["","","","","","","","","","","",""],"core_type":["24F-2NT","24F-2NT","24F-2NT","24F-2NT","24F-2NT","24F-2NT","497","24F-2NT","497","497","487","S-6"],"size":[7299,5546,5542,5481,5478,5418,159006,5415,145528,70145,91982,29877],"isXBRL":[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],"isXBRLNumeric":[null,null,null,null,null,null,null,null,null,null,null,null],"primaryDocument":["adt-33344554_24f2.txt","ml_1070691.txt","dfs15.txt","cik1070691.txt","b172.txt","a046.txt","0001.txt","0001.txt","0001.txt","a2026305z497.txt","a2025530z487.txt","mdfs15.htm"],"primaryDocDescription":["24F-2NT FILING","","","","","","","","","497","487",""]},"files":[]}}