EDGAR Filing Documents for 0000891804-10-005120

Form 8-A12B - Registration of securities [Section 12(b)]:

SEC Accession No. 0000891804-10-005120

Filing Date

2010-10-22

Accepted

2010-10-22 12:06:42

Documents

Document Format Files

Seq	Description	Document	Type	Size
1	GBAB	gug50123-8a12b.htm	8-A12B	20042
	Complete submission text file	0000891804-10-005120.txt		21332

Mailing Address 2455 CORPORATE WEST DRIVE LISLE IL 60532

Business Address 2455 CORPORATE WEST DRIVE LISLE IL 60532 630-505-3700

Guggenheim Build America Bonds Managed Duration Trust (Filer) CIK: 0001495825 (see all company filings)

IRS No.: 000000000 | State of Incorp.: DE
Type: 8-A12B | Act: 34 | File No.: 001-34924 | Film No.: 101136639