Find IRS forms, instructions, publications, and notices for prior years back to 1864.

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Form 1120 (Schedule H) Section 280H Limitations for a Personal Service Corporation (PSC) 2001
Form 1120 (Schedule H) Section 280H Limitations for a Personal Service Corporation (PSC) 2000
Form 1120 (Schedule H) Section 280H Limitations for a Personal Service Corporation (PSC) 1999
Form 1120 (Schedule H) Section 280H Limitations for a Personal Service Corporation (PSC) 1998
Form 1120 (Schedule H) Section 280H Limitations for a Personal Service Corporation (PSC) 1997
Form 1120 (Schedule H) Section 280H Limitations for a Personal Service Corporation (PSC) 1996
Form 1120 (Schedule H) Section 280H Limitations for a Personal Service Corporation (PSC) 1995
Form 1120 (Schedule H) Section 280H Limitations for a Personal Service Corporation (PSC) 1994
Form 1120 (Schedule H) Section 280H Limitations for a Personal Service Corporation (PSC) 1993
Form 1120 (Schedule H) Section 280H Limitations for a Personal Service Corporation (PSC) 1992
Form 1120 (Schedule O) Consent Plan and Apportionment Schedule for a Controlled Group 2018
Form 1120 (Schedule O) Consent Plan and Apportionment Schedule for a Controlled Group 2012
Form 1120 (Schedule O) Consent Plan and Apportionment Schedule for a Controlled Group 2011
Form 1120 (Schedule O) Consent Plan and Apportionment Schedule for a Controlled Group 2010
Instruction 1120 (Schedule O) Instructions for Schedule O (Form 1120), Consent Plan and Apportionment Schedule for a Controlled Group 2018
Instruction 1120 (Schedule O) Instructions for Schedule O (Form 1120), Consent Plan and Apportionment Schedule for a Controlled Group 2012
Instruction 1120 (Schedule O) Instructions for Schedule O (Form 1120), Consent Plan and Apportionment Schedule for a Controlled Group 2011
Instruction 1120 (Schedule O) Instructions for Schedule O (Form 1120), Consent Plan and Apportionment Schedule for a Controlled Group 2010
Form 1122 Authorization and Consent of Subsidiary Corporation to be Included in a Consolidated Income Tax Return 2003
Form 1122 Authorization and Consent of Subsidiary Corporation to be Included in a Consolidated Income Tax Return 2001
Form 1122 Authorization and Consent of Subsidiary Corporation to be Included in a Consolidated Income Tax Return 1998
Form 1122 Authorization and Consent of Subsidiary Corporation to be Included in a Consolidated Income Tax Return 1983
Form 1122 Authorization and Consent of Subsidiary Corporation to be Included in a Consolidated Income Tax Return 1981
Form 1122 Authorization and Consent of Subsidiary Corporation to be Included in a Consolidated Income Tax Return 1969
Form 1122 Authorization and Consent of Subsidiary Corporation to be Included in a Consolidated Income Tax Return 1967