If at any time the Attorney General or an Assistant Attorney General designated by the Attorney General transmits to the authority head a written finding that continuation of the administrative process described in this part with respect to a claim or statement may adversely affect any pending or potential criminal or civil action related to such claim or statement, the authority head shall stay the process immediately. In such a case, the authority head may order the process resumed only upon receipt of the written authorization of the Attorney General.
31 C.F.R. §16.40