The hearing shall be transcribed verbatim. Promptly following the taking of the last evidence, the reporter shall transmit to the Regional Hearing Clerk the original and as many copies of the transcript of testimony as are called for in the reporter's contract with the Agency, and also shall transmit to the Presiding Officer a copy of the transcript. A certificate of service shall accompany each copy of the transcript. The Regional Hearing Clerk shall notify all parties of the availability of the transcript and shall furnish the parties with a copy of the transcript upon payment of the cost of reproduction, unless a party can show that the cost is unduly burdensome. Any person not a party to the proceeding may receive a copy of the transcript upon payment of the reproduction fee, except for those parts of the transcript ordered to be kept confidential by the Presiding Officer. Any party may file a motion to conform the transcript to the actual testimony within 30 days after receipt of the transcript, or 45 days after the parties are notified of the availability of the transcript, whichever is sooner.