81.16—Discovery.
(a)
The parties to a case are encouraged to exchange relevant documents and information voluntarily.
(b)
The ALJ, at a party's request, may order compulsory discovery described in paragraph (c) of this section if the ALJ determines that—
(2)
The discovery requested is likely to elicit relevant information with respect to an issue in the case;
(c)
If a compulsory discovery is permissible under paragraph (b) of this section, the ALJ may order a party to do one or more of the following:
(d)
The ALJ may issue a subpoena to enforce an order described in this section and may apply to the appropriate court of the United States to enforce the subpoena.
(f)
(1)
The ALJ limits the period for discovery to not more than 90 days but may grant an extension for good cause.