On Aug. 25 the JAAF announced that it has reversed 29-year-old sprinter Fuga Sato’s disqualification in the July 6 National Championships men’s 400 m final, giving him the national title for the second time in his career. It is unusual for official results to be amended after the end of the competition. According to the JAAF, there was a discrepancy in officials’ interpretation of World Athletics
Source: japanrunningnews.blogspot.com