 He stepped down from his posts at the IRB and the IRFU following the 2007 World Cup, and was succeeded as IRB chairman by Bernard Lapasset.On 20 May 2004 he was awarded the Freedom of the Borough of Ballymena.Millar was awarded the Honorary Degree of Doctor of Science by the University of Ulster in 1992, and was inducted into the International Rugby Hall of Fame in 2003.