The player returned the positive test on Feburary 9, 2012 after being selected to provide a sample during a Newport RFC squad test.
UK Anti-Doping have specified that consequences of the rule violation is to be a two year period of Ineligibility which will expire at Midnight on 28 February 2014.
It should be noted that Mr Rees-Hole has been suspended since 29 February 2012 when the violation was first discovered.
The decision can be viewed on http://www.ukad.org.uk/anti-doping-rule-violations/