Find IRS forms, instructions, publications, and notices for prior years back to 1864. If a PDF file won't open, try downloading the file to your device and opening it using Adobe Acrobat. View more information about Using IRS Forms, Instructions, Publications and Other Item Files. Click on a column heading to sort the list by the contents of that column. Enter a term in the Find box Click the Search button Showing 1 - 16 of 16Find Help Find Prior Year » RegExReplace » Product Number Prior Year » Revision Date Prior Year » Title Show per page 2550100200 SearchClear Product Number Title Revision Date Form 1120 (Schedule H) Section 280H Limitations for a Personal Service Corporation (PSC) 2011 Form 1120 (Schedule H) Section 280H Limitations for a Personal Service Corporation (PSC) 2006 Form 1120 (Schedule H) Section 280H Limitations for a Personal Service Corporation (PSC) 2005 Form 1120 (Schedule H) Section 280H Limitations for a Personal Service Corporation (PSC) 2004 Form 1120 (Schedule H) Section 280H Limitations for a Personal Service Corporation (PSC) 2003 Form 1120 (Schedule H) Section 280H Limitations for a Personal Service Corporation (PSC) 2002 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