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What are the Supreme Court Slip Opinions? 

“Slip” opinions are the first version of the Court’s opinions posted on this website. A “slip” opinion consists of the majority or principal opinion, any concurring or dissenting opinions written by the Justices, and a prefatory syllabus prepared by the Reporter’s Office that summarizes the decision. The most well-known opinions are those cases of the Court that have been announced and heard in oral argument. The Justice that authors the principal opinion summarizes the opinion from the bench during a regular scheduled session of the Court. (citation:  Supreme Court -Opinions of the Court)

In this official collection, you will find individual slip opinions issued within the US Supreme Court.  Some may include cases by individuals, corporations, state or municipal Government, and more. 

You may also be intersted in the Supreme Court Reports that contain the final generation of a slip opinion.


Find publications and packages of official IRS pre-printed forms used to file individual Federal income tax returns with the Internal Revenue Service for citizens or residents of the United States.

In this authoritative collection, you can find out more about requirements for taxes, audits and also accounting practices within the Federal Government.  

The Internal Revenue Service (IRS) income tax forms are updated annually and included as part of this essential collection for tax preparation.  You will also find several official 26 CFR volumes that include regulatory guidance, such as:

  • income tax
  • estate and gift taxes
  • employment taxes
  • excise taxes,
  • preocedures, rules, practices, and more.

Several volumes relating to the Reports of the United States Tax Court volumes that provide taxpayers with abstracts and opinions and disputes over federal income tax and tax assessments are available within this in this collection.

Check out the latest edition of the Government Auditing Standards!

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