Adds new section 425, 'Cooperation with Inspector General requests,' to chapter 4 of title 5, requiring covered agencies, personnel, grant recipients, and contractors to comply with IG requests within 60 days and establishing notification and discipline provisions.

Amends section 401 by redesignating existing paragraphs and inserting a new paragraph defining 'appropriate congressional committees.'

Amends the table of sections for title 5 by adding a new entry for the added section in chapter 4.