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Criminal Resource Manual

724. Expiration of Authority to Compel

The letter of authority specifically extends the authorization to compel the witness to testify to any ancillary proceeding. This is intended to cover the witness's testimony at a trial or trials following his or her immunized testimony before a grand jury, thus avoiding the necessity of a second application. Authority to compel a witness to testify before a grand jury must be renewed, however, if the witness has not testified within six months of the date of the letter of authority. A new application is necessary in order to ensure that the decision to grant the witness immunity is still in the public interest.

[cited in Criminal Resource Manual 720; USAM 9-23.130]