The National Accountability Bureau has summoned Moonis Elahi in connection with embezzlements and irregularities, 24NewsHD TV channel reported on Thursday.
NAB Lahore called the son of former Punjab chief minister Parvez Elahi on February 20.
The bureau has initiated an investigation into alleged irregularities in contracts and transactions in communications and construction.
Last month, a close aide of CM, Muhammad Khan Bhatti was booked on charges of corruption.