(a) Notwithstanding any restrictions on access imposed pursuant to section 2204 or these regulations, and subject to any rights, defenses, or privileges which the United States or any agency or person may invoke, Presidential records shall be made available in the following instances:
(1) Pursuant to subpoena or other judicial process properly issued by a court of competent jurisdiction for the purposes of any civil or criminal investigation or proceeding;
(2) To an incumbent President if the records sought contain information which is needed for the conduct of current business of his office and is not otherwise available;
(3) To either House of Congress, or, to the extent of matter within its jurisdiction, to a Congressional committee or subcommittee if the records sought contain information which is needed for the conduct of business within its jurisdiction and is not otherwise available.
(b) Requests by an incumbent President, a House of Congress, or a Congressional committee or subcommittee pursuant to paragraph (a) of this section shall be addressed to the Archivist. All requests shall be in writing and, where practicable, identify the records sought with reasonable specificity.
(c) Presidential records of a former President shall be available to the former President or his designated representative upon request.