{"cik":"0000897513","entityType":"other","sic":"","sicDescription":"","ownerOrg":null,"insiderTransactionForOwnerExists":0,"insiderTransactionForIssuerExists":1,"name":"ACM MUNICIPAL SECURITIES INCOME FUND INC","tickers":[],"exchanges":[],"ein":"000000000","lei":null,"description":"","website":"","investorWebsite":"","category":"","fiscalYearEnd":"1031","stateOfIncorporation":"MD","stateOfIncorporationDescription":"MD","addresses":{"mailing":{"street1":"ALLIANCEBERNSTEIN LP","street2":"1345 AVENUE OF THE AMERICAS","city":"NEW YORK","stateOrCountry":"NY","zipCode":"10105","stateOrCountryDescription":"NY","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null},"business":{"street1":"ALLIANCEBERNSTEINLP","street2":"1345 AVE OF THE AMERICAS","city":"NEW YORK","stateOrCountry":"NY","zipCode":"10105","stateOrCountryDescription":"NY","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null}},"phone":"2129692127","flags":"","formerNames":[],"filings":{"recent":{"accessionNumber":["0000919574-08-004951","0000897513-07-000002","0000919574-07-004510","0000919574-07-004308","0000919574-07-003498","0001379491-07-000120","0000067590-07-000171","0001293386-07-000135","0001293386-07-000114","0001293386-07-000096","0001169232-07-001699","0000919574-07-001785","0001293386-07-000051","0000919574-07-000236","0000936772-07-000016","0000067590-06-000253","0001133228-06-000594","0000919574-06-003721","0000936772-06-000126","0000897513-06-000002","0000919574-06-002760","0001293386-06-000063","0001133228-06-000130","0000919574-06-001530","0000936772-06-000012","0000897513-05-000003","0000919574-05-004292","0000919574-05-004222","0001293386-05-000122","0001293386-05-000118","0001133228-05-000562","0000919574-05-003125","0001293386-05-000088","0001293386-05-000070","0000936772-05-000161","0000067590-05-000040","0001133228-05-000190","9999999997-05-014336","0000919574-05-001012","0000919574-05-000062","0000936772-05-000016","0000355348-04-000367","0001293386-04-000106","0001133228-04-000427","0000919574-04-002526","0001293386-04-000050","0001293386-04-000033","0000936772-04-000145","0001293386-04-000015","0000355348-04-000186","0001288365-04-000010","0001285634-04-000008","0001285665-04-000005","0000919574-04-000878","0001279325-04-000026","0000936772-04-000006","0000355348-03-000310","0001270584-03-000010","0001270610-03-000010","0001270609-03-000011","0001253231-03-000012","0000936772-03-000292","0000355348-03-000142","0000919574-03-000178","0000936772-03-000008","0000355348-02-000413","0000936772-02-000247","0000355348-02-000228","0000919574-02-000586","0000919574-02-000233","0000936772-02-000010","0000355348-01-500328","0000936772-01-500100","0000355348-01-500110","0000919574-01-000127","0000936772-01-000012","0000355348-00-000391","0000950130-00-003815","0000355348-00-000188","0000919574-00-000332","0000950130-00-000053","0000355348-00-000021","0000355348-00-000007","0000355348-99-000191","0000950130-99-003818","0000919574-99-000128","0000950130-99-000101","0000355348-98-000264","0000897513-98-000002","0000950130-98-003286","0000919574-98-000519","0000950130-98-000034","0000897513-98-000001","0000950130-97-003030","0000355348-97-000098","0000919574-97-000542","0000919574-97-000505","0000950130-97-000091","0000897513-97-000001","0000950109-96-004328","0000355348-96-000024","0000919574-96-000356","0000897513-96-000001","0000950109-95-005341","0000950109-95-002676","0000897513-95-000001","0000919574-95-000083","0000897513-94-000001"],"filingDate":["2008-08-29","2007-12-28","2007-09-17","2007-08-30","2007-07-24","2007-07-09","2007-06-28","2007-05-23","2007-05-10","2007-04-17","2007-04-02","2007-03-16","2007-02-12","2007-01-25","2007-01-08","2006-12-29","2006-09-28","2006-08-31","2006-07-10","2006-06-29","2006-06-20","2006-05-12","2006-03-28","2006-02-28","2006-01-09","2005-12-30","2005-12-23","2005-12-15","2005-11-07","2005-11-07","2005-09-29","2005-08-30","2005-08-03","2005-08-03","2005-07-08","2005-06-29","2005-04-01","2005-03-21","2005-02-22","2005-01-14","2005-01-07","2004-12-30","2004-11-22","2004-09-29","2004-08-27","2004-08-05","2004-07-12","2004-07-09","2004-07-06","2004-06-29","2004-05-12","2004-04-07","2004-04-07","2004-02-23","2004-02-10","2004-01-08","2003-12-30","2003-11-21","2003-11-21","2003-11-20","2003-08-08","2003-07-07","2003-06-30","2003-02-04","2003-01-02","2002-12-30","2002-07-05","2002-06-26","2002-02-22","2002-02-07","2002-01-07","2001-12-28","2001-07-05","2001-06-27","2001-02-08","2001-01-11","2000-12-28","2000-07-10","2000-06-26","2000-02-22","2000-01-11","2000-01-06","2000-01-04","1999-06-29","1999-06-25","1999-01-26","1999-01-07","1998-12-30","1998-06-30","1998-06-24","1998-04-27","1998-01-06","1998-01-02","1997-06-30","1997-06-30","1997-05-29","1997-05-12","1997-01-10","1997-01-08","1996-07-09","1996-06-28","1996-04-17","1996-01-03","1995-12-21","1995-07-13","1995-06-29","1995-04-21","1994-12-27"],"reportDate":["2008-06-30","2007-10-31","","2007-06-30","","2007-04-30","2007-04-30","2007-05-01","2007-05-01","2007-04-09","2007-01-31","","2007-02-05","2007-01-01","2006-10-31","2006-10-31","2006-07-31","2006-06-30","2006-04-30","2006-04-30","2006-06-14","2006-05-08","2006-01-31","2006-03-29","2005-10-31","2005-10-31","2005-12-15","2005-12-15","2005-10-31","2005-10-31","2005-07-31","2005-06-30","2005-07-26","2005-07-26","2005-04-30","2005-04-30","2005-01-31","","2005-03-24","2005-01-01","2004-10-31","2004-10-31","2004-11-11","2004-07-31","2004-06-30","2004-07-26","2004-07-06","2004-04-30","2004-05-10","2004-04-30","2004-02-18","2004-03-29","2004-03-29","2004-03-25","2004-02-02","2003-10-31","2003-10-31","2003-11-13","2003-11-13","2003-11-13","2003-07-31","2003-04-30","2003-04-30","2003-03-20","2001-10-31","2002-10-31","2002-04-30","2002-04-30","2002-03-20","2002-03-20","2001-11-30","2001-10-31","2001-04-30","2001-04-30","2001-03-08","2000-10-31","2000-10-31","2000-04-30","2000-04-30","2000-03-28","1999-10-31","1999-10-31","1999-10-31","1999-04-30","1999-04-30","1999-03-09","1998-10-31","1998-10-31","1998-04-30","1998-04-30","1998-05-28","1997-10-31","1997-10-31","1997-04-30","1997-04-30","1997-07-10","1997-07-10","1997-01-01","1996-10-31","1996-04-30","1996-04-30","1996-05-24","1995-10-31","1995-10-31","1995-04-30","1995-04-30","1995-05-25","1994-10-31"],"acceptanceDateTime":["2008-08-29T09:44:02.000Z","2007-12-28T17:10:03.000Z","2007-09-17T11:03:35.000Z","2007-08-30T15:09:47.000Z","2007-07-24T16:09:39.000Z","2007-07-09T10:29:34.000Z","2007-06-28T16:54:09.000Z","2007-05-23T16:17:15.000Z","2007-05-10T19:35:28.000Z","2007-04-17T16:11:25.000Z","2007-03-30T17:34:03.000Z","2007-03-16T13:27:47.000Z","2007-02-12T18:14:15.000Z","2007-01-25T15:23:29.000Z","2007-01-08T17:30:25.000Z","2006-12-29T14:17:19.000Z","2006-09-28T16:13:37.000Z","2006-08-30T18:21:33.000Z","2006-07-10T11:52:24.000Z","2006-06-29T10:43:13.000Z","2006-06-20T17:35:39.000Z","2006-05-12T16:35:43.000Z","2006-03-27T18:26:00.000Z","2006-02-28T17:04:29.000Z","2006-01-09T13:15:55.000Z","2005-12-30T15:07:35.000Z","2005-12-23T13:47:34.000Z","2005-12-15T15:41:50.000Z","2005-11-07T16:43:02.000Z","2005-11-07T16:41:14.000Z","2005-09-29T14:00:19.000Z","2005-08-30T14:25:40.000Z","2005-08-03T18:27:47.000Z","2005-08-03T08:42:11.000Z","2005-07-08T17:15:56.000Z","2005-06-29T15:33:53.000Z","2005-04-01T11:05:09.000Z","2005-03-24T15:18:44.000Z","2005-02-22T17:03:46.000Z","2005-01-14T12:04:19.000Z","2005-01-07T17:14:41.000Z","2004-12-30T16:47:19.000Z","2004-11-22T17:16:52.000Z","2004-09-29T16:27:44.000Z","2004-08-26T18:01:17.000Z","2004-08-05T08:49:51.000Z","2004-07-12T17:49:44.000Z","2004-07-09T13:04:00.000Z","2004-07-06T08:50:04.000Z","2004-06-29T15:29:03.000Z","2004-05-12T18:10:08.000Z","2004-04-07T18:23:47.000Z","2004-04-07T18:22:19.000Z","2004-02-23T12:34:32.000Z","2004-02-10T17:36:42.000Z","2004-01-08T17:29:48.000Z","2003-12-30T17:22:56.000Z","2003-11-21T12:28:15.000Z","2003-11-21T12:26:26.000Z","2003-11-20T17:57:33.000Z","2003-08-08T13:53:39.000Z","2003-07-07T16:30:16.000Z","2003-06-30T12:47:57.000Z","2003-02-04T17:13:46.000Z","2003-01-02T15:56:06.000Z","2002-12-30T15:01:39.000Z","2002-07-05T12:32:49.000Z","2002-06-26T17:25:54.000Z","2002-02-22T00:00:00.000Z","2002-02-07T00:00:00.000Z","2002-01-07T00:00:00.000Z","2001-12-28T00:00:00.000Z","2001-07-05T00:00:00.000Z","2001-06-27T00:00:00.000Z","2001-02-08T00:00:00.000Z","2001-01-11T00:00:00.000Z","2000-12-28T00:00:00.000Z","2000-07-10T00:00:00.000Z","2000-06-26T00:00:00.000Z","2000-02-22T00:00:00.000Z","2000-01-11T00:00:00.000Z","2000-01-06T00:00:00.000Z","2000-01-04T00:00:00.000Z","1999-06-29T00:00:00.000Z","1999-06-25T00:00:00.000Z","1999-01-26T00:00:00.000Z","1999-01-07T00:00:00.000Z","1998-12-30T00:00:00.000Z","1998-06-30T00:00:00.000Z","1998-06-24T00:00:00.000Z","1998-04-27T00:00:00.000Z","1998-01-06T00:00:00.000Z","1998-01-02T00:00:00.000Z","1997-06-30T00:00:00.000Z","1997-06-30T00:00:00.000Z","1997-05-29T00:00:00.000Z","1997-05-12T00:00:00.000Z","1997-01-10T00:00:00.000Z","1997-01-08T00:00:00.000Z","1996-07-09T00:00:00.000Z","1996-06-28T00:00:00.000Z","1996-04-17T00:00:00.000Z","1996-01-03T00:00:00.000Z","1995-12-21T00:00:00.000Z","1995-07-13T00:00:00.000Z","1995-06-29T00:00:00.000Z","1995-04-21T00:00:00.000Z","1994-12-27T00:00:00.000Z"],"act":["40","40","40","40","40","40","40","","","","40","40","","","40","40","40","40","40","40","","","40","34","40","40","","","","","40","40","","","40","40","40","40","34","","40","40","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","",""],"form":["N-PX","NSAR-B","N-8F/A","N-PX","N-8F","N-CSRS","NSAR-A","3","3","3","N-Q","40-17G","3","3","N-CSR","NSAR-B","N-Q","N-PX","N-CSRS","NSAR-A","3","3","N-Q","DEF 14A","N-CSR","NSAR-B","3","3","3","3","N-Q","N-PX","3","3","N-CSRS","NSAR-A","N-Q","40-17G","DEF 14A","3","N-CSR","NSAR-B","3","N-Q","N-PX","3","3","N-CSR","3","NSAR-A","3","3","3","DEF 14A","3","N-CSR","NSAR-B","3","3","3","3","N-CSR","NSAR-A","DEF 14A","N-30D","NSAR-B","N-30D","NSAR-A","DEF 14A","PRE 14A","N-30D","NSAR-B","N-30D","NSAR-A","DEF 14A","N-30D","NSAR-B","N-30D","NSAR-A","DEF 14A","N-30D","NSAR-B/A","NSAR-B","NSAR-A","N-30D","DEF 14A","N-30D","NSAR-B","NSAR-A","N-30D","DEF 14A","N-30D","NSAR-B","N-30D","NSAR-A","DEF 14A","PRE 14A","N-30D","NSAR-B","N-30D","NSAR-A","DEF 14A","NSAR-B","N-30D","N-30D","NSAR-A","DEF 14A","NSAR-B"],"fileNumber":["811-07510","811-07510","811-07510","811-07510","811-07510","811-07510","811-07510","","","","811-07510","811-07510","","","811-07510","811-07510","811-07510","811-07510","811-07510","811-07510","","","811-07510","811-07510","811-07510","811-07510","","","","","811-07510","811-07510","","","811-07510","811-07510","811-07510","811-07510","811-07510","","811-07510","811-07510","","811-07510","811-07510","","","811-07510","","811-07510","","","","811-07510","","811-07510","811-07510","","","","","811-07510","811-07510","811-07510","811-07510","811-07510","811-07510","811-07510","811-07510","811-07510","811-07510","811-07510","811-07510","811-07510","811-07510","811-07510","811-07510","811-07510","811-07510","811-07510","811-07510","811-07510","811-07510","811-07510","811-07510","811-07510","811-07510","811-07510","811-07510","811-07510","811-07510","811-07510","811-07510","811-07510","811-07510","811-07510","811-07510","811-07510","811-07510","811-07510","811-07510","811-07510","811-07510","811-07510","811-07510","811-07510","811-07510","811-07510"],"filmNumber":["081047203","071332551","071119266","071091050","07996382","07968591","07947487","","","","07734734","07699119","","","07518451","061305358","061114152","061066344","06952964","06932077","","","06712975","06651922","06518626","051294371","","","","","051110752","051058364","","","05946472","05924502","05723477","05048622","05631932","","05518971","041234527","","041053047","04999918","","","04907570","","04888523","","","","04621260","","04516180","031078401","","","","","03777171","03763321","03539169","03500966","02871710","02697171","02688160","02556519","02530293","2502673","1824567","1675372","1668719","1529011","1507052","797308","670494","660881","550854","505066","502155","501069","99655161","99652741","99513311","99502085","98778538","98658262","98653130","98602017","98501244","98500083","97633098","97633464","97616003","97601153","97504390","97502595","96592289","96587670","96547945","96500649","95603326","95553619","95551032","95530232","94566289"],"items":["","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","",""],"core_type":["N-PX","NSAR-B","N-8F/A","N-PX","N-8F","N-CSRS","NSAR-A","3","3","3","N-Q","40-17G","3","3","N-CSR","NSAR-B","N-Q","N-PX","N-CSRS","NSAR-A","3","3","N-Q","DEF 14A","N-CSR","NSAR-B","3","3","3","3","N-Q","N-PX","3","3","N-CSRS","NSAR-A","N-Q","40-17G","DEF 14A","3","N-CSR","NSAR-B","3","N-Q","N-PX","3","3","N-CSR","3","NSAR-A","3","3","3","DEF 14A","3","N-CSR","NSAR-B","3","3","3","3","N-CSR","NSAR-A","DEF 14A","N-30D","NSAR-B","N-30D","NSAR-A","DEF 14A","PRE 14A","N-30D","NSAR-B","N-30D","NSAR-A","DEF 14A","N-30D","NSAR-B","N-30D","NSAR-A","DEF 14A","N-30D","NSAR-B/A","NSAR-B","NSAR-A","N-30D","DEF 14A","N-30D","NSAR-B","NSAR-A","N-30D","DEF 14A","N-30D","NSAR-B","N-30D","NSAR-A","DEF 14A","PRE 14A","N-30D","NSAR-B","N-30D","NSAR-A","DEF 14A","NSAR-B","N-30D","N-30D","NSAR-A","DEF 14A","NSAR-B"],"size":[4179,10177,100073,4183,97725,128391,21600,3371,3373,3427,38311,139763,3427,3363,176037,26778,36358,4197,124086,83787,3884,3360,38073,96582,164218,23684,3217,3231,3431,3443,37586,4194,3458,3387,117588,19443,34198,1713,89825,3219,154067,59495,3473,34408,4138,3444,3428,81503,3416,15412,3399,3400,3368,135093,3386,115827,17904,3348,3345,3365,3466,75074,10965,78622,97548,19779,70132,9842,77319,82668,70809,13059,62559,11247,81069,68369,16710,54707,15032,57147,59335,16859,13903,15268,55254,53441,65361,13032,14522,54673,41561,62582,16588,47758,13461,43836,41732,51078,16174,43083,13651,39345,16202,63431,50915,13269,57491,15902],"isXBRL":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"isInlineXBRL":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"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,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,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,null,null,null,null,null,null,null,null,null],"primaryDocument":["d811-07510_08.txt","answer.fil","d810504_n-8f.htm","d811-07510_07.txt","d794224_n-8f.htm","edg151187_sr.txt","answer.fil","xslF345X02/edgar.xml","xslF345X02/edgar.xml","xslF345X02/edgar.xml","d150554_n-q.txt","d07964_bond.txt","xslF345X02/edgar.xml","xslF345X02/p741786e_ex.xml","edg12098_ar.txt","answer.fil","a148729.txt","d811-07510_06.txt","edg11809_sr.txt","answer.fil","xslF345X02/p679664e_ex.xml","xslF345X02/edgar.xml","a146421.txt","d644604_14-a.txt","edg11438_ar.txt","answer.fil","xslF345X02/p626537d_ex.xml","xslF345X02/p626539d_ex.xml","xslF345X02/edgar.xml","xslF345X02/edgar.xml","a144467.txt","d811-07510_05.txt","xslF345X02/edgar.xml","xslF345X02/edgar.xml","edg11075_sr.txt","answer.fil","a142379.txt","9999999997-05-014336.paper","d549557_14-a.txt","xslF345X02/p540475d_ex.xml","edg10525_ar.txt","answer.fil","xslF345X02/doc3.xml","a140223.txt","d811_07510.txt","xslF345X02/doc3.xml","xslF345X02/doc3.xml","edg9997_sr.txt","xslF345X02/doc3.xml","answer.fil","xslF345X02/doc3.xml","xslF345X02/doc3.xml","xslF345X02/doc3.xml","d461487_14a.txt","xslF345X02/doc3.xml","edg9599_ar.txt","answer.fil","xslF345X02/doc3.xml","xslF345X02/doc3.xml","xslF345X02/doc3.xml","xslF345X02/doc3.xml","edg9163.txt","answer.fil","d380096_14a.txt","edg8494.txt","answer.fil","edg7946.txt","answer.fil","mu00250209av3.txt","m00250209ar7.txt","edg7295.txt","answer.fil","edg6300.txt","0001.txt","0001.txt","0001.txt","0001.txt","0001.txt","0001.txt","","","","","","","","","","","","","","","","","","","","","","","","","","","","",""],"primaryDocDescription":["","","","","ACM MUNICIPAL SECURITIES INCOME FUND","","","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT","QUARTERLY REPORT","","PRIMARY DOCUMENT","WEINER/AMU","","","SCHEDULE OF INVESTMENTS","","","","JACKLIN/ACM MUNI","PRIMARY DOCUMENT","SCHEDULE OF PORTFOLIO HOLDINGS","","","","","","PRIMARY DOCUMENT","PRIMARY DOCUMENT","SCHEDULE OF PORTFOLIO HOLDINGS","","PRIMARY DOCUMENT","PRIMARY DOCUMENT","","","SCHEDULE OF PORTFOLIO HOLDINGS","AUTO-GENERATED PAPER DOCUMENT","","","","","PRIMARY DOCUMENT","SCHEDULE OF PORTFOLIO HOLDINGS","","PRIMARY DOCUMENT","PRIMARY DOCUMENT","","PRIMARY DOCUMENT","","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT","","PRIMARY DOCUMENT","","","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT","","","","","","ACM MUNI SECURITIES","ANSWER","","","ACM MUNICIPAL SECURITIES INCOME FUND","ACM MUNICIPAL SECURITIES BODY","ACM MUNICIPAL SECURITIES INCOME FUND, INC","N-SAR (6.1)","","","N-SAR (6.1)","ACM-MUNICIPAL SECURITIES INCOME FUND- S/A/R","N-SAR (6.1)","","ACM MUNICIPAL SECURITIES INCOME FUND - AR","N-SAR (3.0.A)","N-SAR (3.0.A)","N-SAR (3.0.A)","ACM MUNICIPAL SECURITIES INCOME FUND - SAR","","ACM MUNICIPAL SECURITIES INCOME FUND - AR","N-SAR (3.0.A)","N-SAR (3.0.A)","SAR ACM MUNICIPAL SECURITIES INCOME FUND","","ACM MUNICIPAL SECURITIES INCOME FUND","N-SAR (3.0.A)","SAR ACM MUNICIPAL SECURITIES INCOME FUND","N-SAR (3.0.A)","","","ACM MUNICIPAL SECURITIES FUND-A/R","N-SAR (3.0.A)","SAR ACM MUNICIPAL SECURITIES INCOME FUND","N-SAR (3.0.A)","","N-SAR (3.0.A)","ANNUAL REPORT ACM MUNICIPAL SECURITIES INCOME","SAR ACM MUNI. SEC. INCOME","N-SAR (3.0.A)","","N-SAR (3.0.A)"]},"files":[]}}