It has acceptable test retest reliability. The vehicle owner is only subject to one retest per MOT test. Thus, the wait to retest could be longer. Technicians must retest every five years to retain their Electronic Diesel Engine Diagnosis Specialist Certification. Technicians must retest every five years to retain their Advanced Engine Performance Specialist Certification. FEMA will now retest trailers upon request, starting early November. The result was published in October and scientists will retest in May, 2014. He resumed his duties after passing a retest on August 27, 1980. An accused player has five days to request a retest. Since people question whether or not synesthesia is tied to memory the "retest" is given. Once a year, Lifesaving SA holds an annual retest for all LA certified Lifeguards. A kiss from Quinn brings back Puck's confidence&colon; he passes the retest and graduates. Gentile maintained he was telling the truth and demanded a retest. In ""Retest"" it is revealed that Jerry and Kelbo have a sister, Megan.