The Wisconsin Property Assessment Manual (WPAM) serves as the guide for uniform property assessment throughout the State. Sec. Land valuation is an essential part of a good appraisal program.A correct appraisal is absolutely dependent on a correct land value. Pin-mounted channel letter signs with other forms of il-lumination are subject to raceway-mounted channel letter sign area ratios. Section 1-5. Purpose. (a) The purpose of this Act is to provide a uniform statewide system for filing notices of tax liens that are in. Cordes addressed the requirement to fill out a new VS Form 10.