{"cik":"0001052000","entityType":"other","sic":"6189","sicDescription":"Asset-Backed Securities","ownerOrg":null,"insiderTransactionForOwnerExists":0,"insiderTransactionForIssuerExists":0,"name":"BA MORTGAGE SECURITIES INC MORT PASS THR CERT SERIES 1997-3","tickers":[],"exchanges":[],"ein":null,"lei":null,"description":"","website":"","investorWebsite":"","category":"","fiscalYearEnd":"1231","stateOfIncorporation":"DE","stateOfIncorporationDescription":"DE","addresses":{"mailing":{"street1":"345 MONTGOMERY ST","street2":"LOWER LEVEL 2 UNIT 8152","city":"SAN FRANCISCO","stateOrCountry":"CA","zipCode":"94104","stateOrCountryDescription":"CA","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null},"business":{"street1":"345 MONTGOMERY ST","street2":"LOWER LEVEL 2 UNIT 8152","city":"SAN FRANCISCO","stateOrCountry":"CA","zipCode":"94104","stateOrCountryDescription":"CA","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null}},"phone":"4156228130","flags":"","formerNames":[],"filings":{"recent":{"accessionNumber":["0000950149-97-002299","0000950149-97-002273"],"filingDate":["1997-12-31","1997-12-24"],"reportDate":["1997-12-19",""],"acceptanceDateTime":["1997-12-31T05:00:00.000Z","1997-12-24T05:00:00.000Z"],"act":["",""],"form":["8-K","424B5"],"fileNumber":["333-34225-02","333-34225-02"],"filmNumber":["97747272","97744044"],"items":["7",""],"core_type":["8-K","424B5"],"size":[626698,754701],"isXBRL":[0,0],"isInlineXBRL":[0,0],"isXBRLNumeric":[null,null],"primaryDocument":["",""],"primaryDocDescription":["REPORT ON FORM 8-K DATED DECEMBER 19, 1997","PROSPECTUS SUPPLEMENT DATED DECEMBER 19, 1997"]},"files":[]}}