A review of the scheme last year by the Auditor-General found $703 million had been voluntarily repaid by businesses who found the effects of the lockdown were less severe than feared, and another $23m had been "compulsorily recovered" by MSD.
The Auditor-General said MSD needed to tighten its oversight of the scheme, and relied too heavily on verbal confirmation of financial information provided by claimants.
"I am not persuaded that the reviews provide enough confidence that all applications that merit further investigation have been identified," Auditor-General John Ryan said in May.
Adbdul's lawyer Moira McNabb told the court the sum in question had since been fully repaid, her client had no prior convictions, and he intended to apply for discharge without conviction.
Judge Peter Winter directed Abdul to surrender his passport ahead of sentencing on April 29. The charges each carry a maximum sentence of seven years in prison.