Litigation appraisals may involve condemnation procedures although they may also involve other types of legal disagreements. These include divorces, partnership dissolutions, and the like. Litigation work includes various activities or services such as serving as an expert witness, helping property owners to appeal tax assessment values, appraisal review, and other types of services for litigation support. Litigation support often includes advising an attorney on matters of Standards of Professional Practice, helping to frame questions for attorneys who are to interrogate other appraisal experts.