A decision on whether a longtime construction boss will testify at the Charbonneau commission will come from a Superior Court judge.
Among other things, Tony Accurso's lawyers say the commission examining corruption and collusion in the construction industry was largely organized to incriminate him.
But commision lawyers argue Accurso is protected from self-incrimination by the Charter of Rights and Freedoms.
Accurso, arrested by the anti-corruption unit UPAC nearly a year ago, has asked for an exemtpion and has been fighting his subpoena for months.
He was picked up on charges of fraud, breach of trust and corruption.
As well, Revenue Quebec has laid hundreds of charges against Accurso.
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