By including a per diem amount in the letter, the parties will not have to execute another payoff letter if the termination date. The per diem probationary period will be up to ten (10) shifts not to exceed 90 days.The Employer may extend up to an additional five (5) shifts. An employee wishing to challenge a positive test result may request a split sample test. Revised Title to read: Chairman Wanger - Orange County HIV Planning Council - Reappoint Homero Beltran, Irvine,. The following letter may serve as a template for delegating authority. Exhibit 27.5 has been added to provide the denial letter for applicants when wetland indicators are present. However, even with all the case mix adjustments incorporated in the system, the. New York program retains the perception as a per diem system. A blank sample HB Letter 16 is included.