Tensions are mounting between Public Service and Administration Minister Richard Baloyi and his deputy, Ayanda Dlodlo, say departmental officials.
The Democratic Alliance has called for a law amendment to ensure scrutiny of government business deals involving family members of the president.
The department of public works has paid R68-million so far in rental for an empty building.
The presidency has rejected a call for a parliamentary debate on the "growing list of state deals that have benefited President Jacob Zuma’s family".
This week the Mail &Guardian reports on another attempt to stitch up a tender for government property
President Jacob Zuma’s new son-in-law is at the centre of an escalating row over a R1-billion tender for new government office space.