10.74—Transcript.
         In cases where the hearing is stenographically
 reported by a Government contract reporter, copies
 of the transcript may be obtained from the
 reporter at rates not to exceed the maximum rates
 fixed by contract between the Government and the
 reporter. Where the hearing is stenographically
 reported by a regular employee of the Internal
 Revenue Service, a copy will be supplied to the
 respondent either without charge or upon the
 payment of a reasonable fee. Copies of exhibits
 introduced at the hearing or at the taking of
 depositions will be supplied to the parties upon
 the payment of a reasonable fee ( Sec. 501, Public
 Law 82-137)(65 Stat. 290)(31 U.S.C. 483a ).