EDGAR Filing Documents for 0001287695-10-000667

Form NSAR-B - Annual report for management companies:

SEC Accession No. 0001287695-10-000667

Filing Date

2010-09-29

Accepted

2010-09-29 12:29:19

Documents

Period of Report

2010-07-31

Effectiveness Date

2010-09-29

Document Format Files

Seq	Description	Document	Type	Size
1		answer.fil	NSAR-B	7926
2		myflins77b.htm	EX-99.77B ACCT LTTR	7358
3		myflins77o.htm	EX-99.77O RULE 10F-3	22156
4		myflins77q1.htm	EX-99.77Q1 OTHR EXHB	1690
	Complete submission text file	0001287695-10-000667.txt		40803

Mailing Address 100 BELLEVUE PARKWAY WILMINGTON DE 19809

Business Address 100 BELLEVUE PARKWAY WILMINGTON DE 19809 800-441-7762

BLACKROCK MUNIYIELD INSURED INVESTMENT FUND (Filer) CIK: 0000891188 (see all company filings)

IRS No.: 223196058 | Fiscal Year End: 0630
Type: NSAR-B | Act: 40 | File No.: 811-07156 | Film No.: 101095636