Dwain Chambers
The Court of Arbitration for Sport (CAS) has reportedly informed the British Olympic Association (BOA) of its judgement on the controversial byelaw that bars all athletes who have failed a dope test from competing in the Games.
The three-strong CAS panel reportedly decided that the BOA's lifetime Olympic ban is non-compliant with the World Anti-doping Association's code.
CAS will release its judgement today.
The ruling will allow Chambers, who remains Britain's best 100m runner, and cyclist David Millar for selection for this summer's Olympics.
Chambers was first banned in 2003 after testing positive for THG, an anabolic steroid.
He served a two-year ban but the BOA byelaw also meant he was barred for life from competing in the Olympics.
He tried to have it overturned in the High Court ahead of the Beijing Olympics but failed.
Millar also served a two-year ban after testing positive for EPO, a blood booster.
The CAS ruling follows its decision last year to find in favour of the American runner LaShawn Merritt, who with the support of the US Olympic Committee, challenged the International Olympic Committee's so-called "Osaka rule", rule 45, that barred any athlete who tested positive from at least one Games.
That case led directly to the BOA one.
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