The right to an administrative trial-type hearing would have little meaning if the decisionmaker held a personal grudge against one of the litigants , or had already made up his mind about the facts of the case before any evidence was taken .
Another type of indirect financial stake which may require disqualification of the decisionmaker arises when the administrator is affiliated with a business and has the power to eliminate or restrict competition through his official acts .
The court recognized that " nothing in the administrative procedure act bars a staff advocate from advising the decisionmaker in setting a final rule , " and that vermont yankee militated against any judicial effort to impose additional procedural requirements in rulemaking .