The secretary's fees for each subpoena shall be 25¢ and for each attachment 50¢. For serving any subpoena and for executing and returning an attachment, a sheriff's or constable's fee shall be charged as otherwise provided by law. The commissioner or notary public before whom testimony is taken by deposition shall receive for his services and for reporting and transcribing the question or answers of the witness, or both, the fees allowed by law for similar services rendered in cases pending in courts of record of this state.