To solemnly promise to tell the truth in court or solemnly promise to tell the truth in an affidavit or confirm a decision made by a lower court, or allow a contract to continue even though it could have been cancelled because it was fundamentally breached.

A question which: suggests the answer to be given; or assumes things to be true which in fact are disputed.

Evidence which by law cannot be disputed.

A witness who gives evidence which damages the case of the side which asked the witness to testify for them.

Evidence given in court of something said to the witness by another person.

A section in a contract.

Someone that the police think broke the law.

A rule of law that a person cannot deny something they previously said, if someone else acted on what was said and their position was changed, possibly for the worse, as a result.

The value of a fixed asset, such as a building or machine, as recorded in an organisation's books. It is usually the amount paid for the asset less an amount for depreciation.

Doing something to interfere with the justice system (such as misleading the court or intimidating witnesses).

Someone who: watches a signature being put on a document, and then signs as well to verify the signature's authenticity; or attends court to testify about events they know about. To witness a document is to watch it being signed and then add your own signature and name, address and occupation.

A person who swears on oath that a statement is correct.

Capable of more than one meaning. When a statement's meaning is not clear because it is capable of more than one meaning, it contains an ambiguity.

Facts which are a key part of a defence or a claim.

To give evidence.

The offence of: disobeying a court order; abusing a judge during a court case; or interfering in the administration of justice.

A written statement which is sworn to be true by the person signing it. It is sworn before someone authorised by the court.

A witness who: refuses to testify in support of the people who called them; or testifies in a way which differs from their previous statement.

A person appointed by the Lord Chancellor to administer (manage) the swearing of oaths.

Another (archaic) name for a will.

An expert in a particular field who is called to give an opinion in a court case.

Evidence which suggests a fact but does not prove the fact is true.

Extra pages to change a valid will which needs a minor alteration. The codicil must be signed and witnessed and then be attached to the will.

A statement, by a witness, made under oath.

To sign to witness a signature on a document.

Lying to a court after you have been sworn in.

The evidence that a witness gives in court.

To question a witness for the other side in a case.