At the conclusion of the direct presentations of all parties, the parties may file written rebuttal testimony or provide oral rebuttal testimony. Rebuttal testimony shall be subject to cross examination as provided in section 2614.13(d). The rebuttal testimony shall meet all requirements applicable to direct testimony, and shall be in the format specified in section 2614.13 and if in written format shall be filed and served on all parties at least two (2) business days before the rebuttal witness is called to testify. The rebuttal testimony shall only respond to testimony of another party or witness.