SHELTER PROPERTIES I LTD PARTNERSHIP

Q: Sep 30 2007

Q: Jun 30 2007

Q: Jun 30 2007

Q: Mar 31 2007

FY: Dec 31 2006

Q: Sep 30 2006

Q: Jun 30 2006

Q: Mar 31 2006

FY: Dec 31 2005

Q: Sep 30 2005

Q: Jun 30 2005

Q: Mar 31 2005

FY: Dec 31 2004

Q: Sep 30 2004

Q: Jun 30 2004

Q: Mar 31 2004

FY: Dec 31 2003

Q: Sep 30 2003

Q: Jun 30 2003

Q: Mar 31 2003

2.01

1.01,9.01

1.01,9.01

5.02

8.01

2.01,9.01

1.01,9.01

5.02,9.01

5.02

5.02

7

2,7

2,7

1,7

Certification of termination of registration of a class of securities (Section 12(g))

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Preliminary Proxy Statement

APARTMENT INVESTMENT & MANAGEMENT CO;AIMCO PROPERTIES LP

APARTMENT INVESTMENT & MANAGEMENT CO

AIMCO PROPERTIES LP

AIMCO PROPERTIES LP

AIMCO PROPERTIES LP

AIMCO PROPERTIES LP

AIMCO PROPERTIES LP

AIMCO PROPERTIES LP

AIMCO PROPERTIES LP

SHELTER PROPERTIES I LTD PARTNERSHIP

AIMCO PROPERTIES LP

AIMCO PROPERTIES LP

AIMCO PROPERTIES LP

SHELTER PROPERTIES I LTD PARTNERSHIP

AIMCO PROPERTIES LP

AIMCO PROPERTIES LP

AIMCO PROPERTIES LP

AIMCO PROPERTIES LP

SHELTER PROPERTIES I LTD PARTNERSHIP

AIMCO PROPERTIES LP

Correspondence with the SEC

Correspondence with the SEC

Letter from the SEC