She in a statement said they will appear before the bureau whenever they are summoned.
Hina Rabbani was reportedly summoned today in pursuance of a complaint against her for allegedly amassing illegal assets, misusing her power and committing a fraud.
The bureau obtained property details of the PPP leader from Multan Revenue Department ahead of her appearance.
It is noteworthy that Hina Rabbani was among politicians against whom NAB Chairman (retd) Justice Javed Iqbal had approved inquiries in a Feb meeting of the executive board of the bureau.
The NAB board had approved 13 inquiries against prominent politicians and bureaucrats including Khar, PML-Q leaders Chaudhry Shujaat Hussain, Chaudhry Pervaiz Elahi, and former chairman Auqaf Siddiqul Farooq.
The NAB board had also approved inquiry against former secretary communications Shahid Ashraf Tarar and other prominent persons.
The bureau decided to file corruption references against former chairman Capital Development Authority (CDA) Kamran Lashari, former director Ghulam Sarwar Sindhu and others over corrupt practices.