- Statutorily Mandated Designation of Difficult Development Areas and Qualified Census Tracts for Section 42 of the Internal Revenue Code of 1986: Revision of Definition of Effective Date (Notice, Published March 6, 2007, DDA2007_MultiPhase.pdf, 136 KB)
- Statutorily
Mandated Designation of Difficult Development Areas and Qualified Census Tracts for
Section 42 of the Internal Revenue Code of 1986 (Notice,
Published September 28, 2006, DDA2007_Notice.pdf, 440 KB)
- 2007
Metropolitan Difficult Development Areas (DDA2007M.pdf,
530 KB)
- 2007
Non-metropolitan Difficult Development Areas (DDA2007NM.pdf,
323 KB)
- 2007 Qualified Census Tracts
- Geocoded dBase File (QCT2007dbf.zip, 89 KB)
- 2007
Qualified Census Tracts - Metropolitan Areas
(QCT2007M.pdf, 254 KB)
- 2007
Qualified Census Tracts - Non-metropolitan
Areas (QCT2007NM.pdf, 152 KB)
- Statutorily
Mandated Designation of Difficult Development Areas for
Section 42 of the Internal Revenue Code of 1986:
Supplemental Designation Under the Gulf Opportunity Zone Act of 2005 (Notice,
Published February 24, 2006, DDA2006_go_zone_Notice.pdf, 419 KB)
- Revised
2006 Metropolitan Difficult Development Areas Under the Gulf
Opportunity Zone Act of 2005 (DDA2006M_go_zone.pdf, 72 KB)
- Revised
2006 Non-metropolitan Difficult Development Areas Under the Gulf
Opportunity Zone Act of 2005 (DDA2006NM_go_zone.pdf, 73 KB)
- Statutorily
Mandated Designation of Difficult Development Areas for
Section 42 of the Internal Revenue Code of 1986 (Notice,
Published August 22, 2005, DDA2006_Notice.pdf, 419 KB)
- 2006
Metropolitan Difficult Development Areas (DDA2006M.pdf,
72 KB)
- 2006
Non-metropolitan Difficult Development Areas (DDA2006NM.pdf,
73 KB)
- 2006 Qualified Census Tracts
(same as 2004 and 2005) - Geocoded dBase File (QCT2006dbf.zip, 72
KB)
- 2006
Qualified Census Tracts (same as 2004 and 2005) - Metropolitan Areas
(QCT2006M.pdf, 1,713 KB)
- 2006
Qualified Census Tracts (same as 2004 and 2005) - Non-metropolitan
Areas (QCT2006NM.pdf, 683 KB)
- Statutorily
Mandated Designation of Difficult Development Areas for
Section 42 of the Internal Revenue Code of 1986 (Notice,
Published November 30, 2004, DDA2005_Notice.pdf, 440 KB)
- 2005
Metropolitan Difficult Development Areas (DDA2005M.pdf,
40 KB)
- 2005
Non-metropolitan Difficult Development Areas (DDA2005NM.pdf,
59 KB)
- 2005 Qualified Census Tracts
(same as 2004) - Geocoded dBase File (QCT2005dbf.zip, 72
KB)
- 2005
Qualified Census Tracts (same as 2004) - Metropolitan Areas
(QCT2005M.pdf, 1,716 KB)
- 2005
Qualified Census Tracts (same as 2004) - Non-metropolitan
Areas (QCT2005NM.pdf, 587 KB)
- Change
in Effective Date in Notice for Designation of Difficult
Development Areas Under Section 42 of the Internal Revenue
Code of 1986 (Published November 2, 2004, Extension_Notice.pdf,
86.5 KB)
- Statutorily
Mandated Designation of Difficult Development Areas and
Qualified Census Tracts for Section 42 of the Internal Revenue
Code of 1986 (Notice, Published December 19, 2003, Notice2004.pdf,
422 KB)
- 2004
Metropolitan Difficult Development Areas (DDA2004M.pdf,
98 KB)
- 2004
Non-metropolitan Difficult Development Areas (DDA2004NM.pdf,
179 KB)
- 2004 Qualified Census Tracts
- Geocoded dBase File (QCT2004dbf.zip, 72 KB)
- 2004
Qualified Census Tracts - Metropolitan Areas (QCT2004M.pdf,
547 KB)
- 2004 Qualified Census Tracts - Non-metropolitan Areas (QCT2004NM.pdf, 241 KB)
- Statutorily Mandated
Designation of Difficult Development Areas and Qualified
Census Tracts for Section 42 of the Internal Revenue Code
of 1986 (Notice, Published December 12, 2002, notice2003.htm)
- 2003
Metropolitan Difficult Development Areas (DDA2003M.pdf,
30 KB)
- 2003
Non-metropolitan Difficult Development Areas (DDA2003NM.pdf,
25 KB)
- 2003 Qualified Census Tracts
- Geocoded dBase File (QCT2003dbf.zip, 72 KB)
- 2003
Qualified Census Tracts - Metropolitan Areas (QCT2003M.pdf,
162 KB)
- 2003
Qualified Census Tracts - Non-metropolitan Areas (QCT2003NM.pdf,
461 KB)
- Statutorily
Mandated Designation of Difficult Development Areas and
Qualified Census Tracts for Section 42 of the Internal Revenue
Code of 1986; Published September 11, 2001 (*.pdf,
44 KB)
- 2002
Metropolitan Difficult Development Areas (.pdf, 35 KB)
- 2002
Non-metropolitan Difficult Development Areas (.pdf, 80 KB)
- 2002 Qualified Census Tracts
- Geocoded dBase File (.zip, 74.4 KB)
- 2002
Qualified Census Tracts - Metropolitan Areas (*.pdf, 1.57
MB)
- 2002
Qualified Census Tracts - Non-metropolitan Areas (*.pdf,
753 KB)
- Statutorily
Mandated Designation of Difficult Development Areas for
Section 42 of the Internal Revenue Code of 1986; Notice,
September 22, 2000 (.pdf, 760 KB)
- 2001
Metropolitan Difficult Development Areas (.pdf, 33 KB)
- 2001
Non-metropolitan Difficult Development Areas (.pdf, 108
KB)
- 2001 Qualified Census Tracts - Geocoded
dBase File (.zip, 262 KB)
- Difficult Development Areas and
Supplemental Qualified Census Tracts (Published September
15, 1999)—HTML file, 39 KB
- 2000-2001
Qualified Census Tracts - Metropolitan Areas (*.pdf, 3,245
KB)
- 2000-2001
Qualified Census Tracts - Non-metropolitan Areas (*.pdf,
917 KB)
To determine the census tract number for a particular address, visit any of the following sites: the Federal Financial Institutions Examination Council (FFIEC), the Census Bureau, or the Small Business Administration (SBA).
and Difficult Development Areas
