Parties to proceedings set forth at § 308.1 of the Uniform Rules and as provided in the Local Rules may obtain discovery only through the production of documents. No other form of discovery shall be allowed.
Any questioning at a deposition of a person producing documents pursuant to a document subpoena shall be strictly limited to the identification of documents produced by that person and a reasonable examination to determine whether the subpoenaed person made an adequate search for, and has produced, all subpoenaed documents.