Several sources who have looked at the deal concluded that the money came from Mr Pa.
The deal concluded weeks of bitter arm-wrestling between both sides.
The deal concluded with Meridian Delta Ltd and the US-based Anschutz Entertainment Group is broadly backed by the audit office as good value for money.
The deal concluded a months-long series of bids by Scripps, the News Corporation and a number of private equity groups.
The deal, concluded under the auspices of Congo's influential Catholic church, is heavily dependent on a government promise to hold polls this year.
The deal, concluded in a Vienna hotel after prolonged talks between foreign ministers, binds Iran, the US, UK, France, Germany, Russia and China to a series of undertakings stretching over many years.
The deal, concluded when Iraq was seeking Russian support in a failed effort to lift United Nations sanctions, allotted 9.6percentt of the output to Lukoil.
A new round of talks is due to start in October, and Barack Obama wants the deal concluded before he leaves office in January.
He said Massachusetts would seek to block the deal, concluding that it "may prove to be more harmful than helpful to competition and consumers".
But the commissioners voted 5 to 0 to approve the deal, concluding in a statement that the merger was "unlikely to harm competition in the emerging market for mobile advertising networks".
