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Filing Detail
Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001410578-22-000485
Filing Date
2022-03-24
Accepted
2022-03-24 15:22:32
Documents
24
Period of Report
2021-12-31

Document Format Files

Seq Description Document Type Size
1 10-K bctciv-20211231x10k.htm   iXBRL 10-K 222941
2 EX-13.A bctciv-20211231xex13da.htm   iXBRL EX-13.A 59880
3 EX-31.A bctciv-20211231xex31da.htm EX-31.A 12596
4 EX-31.B bctciv-20211231xex31db.htm EX-31.B 13616
5 EX-32.A bctciv-20211231xex32da.htm EX-32.A 7210
6 EX-32.B bctciv-20211231xex32db.htm EX-32.B 7166
  Complete submission text file 0001410578-22-000485.txt   720148

Data Files

Seq Description Document Type Size
7 EX-101.SCH bctciv-20211231.xsd EX-101.SCH 6939
8 EX-101.CAL bctciv-20211231_cal.xml EX-101.CAL 3716
9 EX-101.DEF bctciv-20211231_def.xml EX-101.DEF 9708
10 EX-101.LAB bctciv-20211231_lab.xml EX-101.LAB 42813
11 EX-101.PRE bctciv-20211231_pre.xml EX-101.PRE 34824
18 EXTRACTED XBRL INSTANCE DOCUMENT bctciv-20211231x10k_htm.xml XML 20588
Mailing Address 101 ARCH STREET 13TH FLOOR BOSTON MA 02110
Business Address 101 ARCH STREET 13TH FLOOR BOSTON MA 02110 8887731487
BCTC IV ASSIGNOR CORP (Filer) CIK: 0001003815 (see all company filings)

IRS No.: 043253838 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 033-99602-01 | Film No.: 22766320
SIC: 6513 Operators of Apartment Buildings