The Grand Jury Act 1838 (1 & 2 Vict. c. 37) was an Act of Parliament

Act of Parliament

An Act of Parliament is a statute enacted as primary legislation by a national or sub-national parliament. In the Republic of Ireland the term Act of the Oireachtas is used, and in the United States the term Act of Congress is used.In Commonwealth countries, the term is used both in a narrow...

 in the United Kingdom

United Kingdom

The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

, signed into law on July 29, 1838. It established that bills of indictment

Indictment

An indictment , in the common-law legal system, is a formal accusation that a person has committed a crime. In jurisdictions that maintain the concept of felonies, the serious criminal offence is a felony; jurisdictions that lack the concept of felonies often use that of an indictable offence—an...

 laid before grand juries

Grand jury

A grand jury is a type of jury that determines whether a criminal indictment will issue. Currently, only the United States retains grand juries, although some other common law jurisdictions formerly employed them, and most other jurisdictions employ some other type of preliminary hearing...

 should be endorsed with the names of the witnesses, and empowered the juries to administer oath

Oath

An oath is either a statement of fact or a promise calling upon something or someone that the oath maker considers sacred, usually God, as a witness to the binding nature of the promise or the truth of the statement of fact. To swear is to take an oath, to make a solemn vow...

s or affirmation

Affirmation in law

In law, an affirmation is a solemn declaration allowed to those who conscientiously object to taking an oath. An affirmation has exactly the same legal effect as an oath, but is usually taken to avoid the religious implications of an oath...

s to the witnesses, which were to be taken under the normal penalties of perjury

Perjury

Perjury, also known as forswearing, is the willful act of swearing a false oath or affirmation to tell the truth, whether spoken or in writing, concerning matters material to a judicial proceeding. That is, the witness falsely promises to tell the truth about matters which affect the outcome of the...

for falsehood.