The Federal Board of Revenue (FBR) has handed  Nawaz Sharif, his family and Finance Minister Ishaq Dar’s last 20 years’ tax return data to the National Accountability Bureau (NAB).

The graft watchdog has also acquired the details of bank accounts of the Sharif family from the State Bank of Pakistan and their other records from the Securities and Exchange Commission of Pakistan.

After obtaining these records, the watchdog has started preparing its references against the Sharif family, media reported.