Ghosn was suspected of having understated his income on financial statements and had agreed to voluntarily speak to prosecutors. The alleged violations relate to.
Another report by Nikkei Asia revealed on Monday that the company it had been conducting an internal investigation into misconduct involving Ghosn and another "representative director" Greg Kelly for several months.
Renault shares fell as much as 14.4 per cent in Paris on Monday, the lowest in nearly four years in the wake of the scandal, while Nissan shed 0.45 per cent to ¥1005.5 (Dh32.78) at market close in Japan.
Nissan said it was providing information to the prosecutors and cooperating with their investigation.
Among the best paid executives in both Japan and France for several years, Ghosn's compensation has regularly drawn criticism.
Also on the chopping block is Nissan representative director Greg Kelly, who was discovered to be "deeply involved" in reporting compensation amounts in the Tokyo Stock Exchange securities report that were less than the actual amount.
Renault declined to comment.
Carlos Ghosn is set to be removed from his role as Nissan chairman after an internal investigation found that he has under-reported his salary to Japanese authorities.
Nissan says it will oust Renault CEO Carlos Ghosn "serious act of misconduct". He said in September that he will continue to pare back his roles at the three individual companies, while continuing to head their alliance.
After Mitsubishi Motors' sales plummeted in the wake of fuel data manipulation scandal, Nissan took control of the smaller Japanese automaker in 2016 by purchasing a big equity stake.
In June, Renault shareholders approved Ghosn's €7.4 million (US$8.45 million) compensation for 2017. Ghosn said in September that the companies will "clarify everything" within the first half of his current Renault CEO term.
Ghosn has been contemplating his career moves as the companies plan to change the pact's structure, possibly through a merger.
A Brazilian-born French national, Ghosn revived Renault as executive vice president from 1996 to 1999. In addition to this, he received €9.2m in his final year as Nissan chief executive.
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