WS 39-13-109 (b)(i) Any person wishing to contest an assessment of his property shall file not later than thirty (30) days after the date of the assessment schedule properly sent pursuant to W.S. 39-13-103(b)(vii), a statement with the county assessor specifying the reasons why the assessment is incorrect. The county assessor shall provide a copy to the county clerk as clerk of the county board of equalization. The county assessor and the person contesting the assessment, or his agent, shall disclose witnesses and exchange information, evidence and documents relevant to the appeal, including sales information from relevant statements of consideration if requested, no later than thirty (30) days prior to the scheduled county board of equalization hearing. The assessor shall specifically identify the sales information used to determine market value of the property under appeal. A county board of equalization may receive evidence relative to any assessment and may require the person assessed or his agent or attorney to appear before it, be examined and produce any documents relating to the assessment. The appeal may be dismissed if any person willfully neglects or refuses to attend a meeting of a county board of equalization and be examined or answer any material question upon the board's request. The state board of equalization shall adopt rules to be followed by any county board of equalization when conducting appeals under this subsection. All hearings shall be conducted in accordance with the rules adopted by the state board of equalization. Each hearing shall be recorded electronically or by a court reporter or a qualified stenographer or transcriptionist. The taxpayer may present any evidence that is relevant, material or not repetitious, including expert opinion testimony, to rebut the presumption in favor of a valuation asserted by the county assessor. The county attorney or his designee may represent the county board or the assessor, but not both. The assessor may be represented by an attorney and the board may hire a hearing officer. All deliberations of the board shall be in public. The county board of equalization may affirm the assessor's valuation or find in favor of the taxpayer and remand the case back to the assessor. The board shall make specific written findings and conclusions as to the evidence presented not later than October 1 of each year;