The US Justice Department, who originally unsealed the charges in 2014, have requested Hugo Carvajal's extradition.
Mr Carvajal was a close ally of the country's late socialist leader Hugo Chavez, but in February denounced his successor President Nicolás Maduro.
He has backed Juan Guaido, an opposition figure, as interim leader.
Mr Guaido declared himself as president in January, citing Venezuela's constitution, and has since won the backing of dozens of countries including the US - which is spearheading international pressure on President Maduro.
Reports on political activity with strategic consequences.
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