Flynn registered with the Justice Department's Foreign Agent Registration Unit, claiming $530,000 worth of work from August through November that "could be construed to have principally benefited the Republic of Turkey".
Flynn and his firm were hired by Turkish businessman Ekim Alptekin through his Dutch-based company, Inovo BV.
The new documents showed two six-figure checks to Flynn's firm in September and October with the final payment of $145,000 being received on November 14, 2016, just days after Trump's presidency, reported USA Today. "When an American businessman hires a consultant or lobbyist, nobody assumes he is working for the USA government, why is it different in my case?" he said in an interview with Daily Sabah on Thursday.
Among those told of Flynn's lobbying work that may have benefited the government of Turkey was Don McGahn, Trump's campaign lawyer who served in the transition and later became White House counsel, said the person, who was not authorized to describe confidential conversations and spoke on condition of anonymity. "He was being compensated", Mr. Spicer said. In September, Flynn's firm was invited by Alptekin to meet with Turkish officials in New York-a meeting, which was confirmed by Turkish businessman.
Flynn penned an editorial that appeared in The Hill on November 8 a year ago - Election Day - calling Turkey a "vital" ally and criticizing the media for one-sided reporting on the country's "crackdown on dissidents".
"The primary bone of contention between the US and Turkey is Fethullah Gülen, a shady Islamic mullah residing in Pennsylvania whom former President Clinton once called his "friend" in a well circulated video", Flynn wrote.
After his firm's work was done, Flynn agreed to not lobby for five years after leaving government service, and never to work on behalf of foreign governments again.
Alptekin told the AP he set up the meeting at a NY hotel between Flynn and the two officials while the officials were attending United Nations sessions and a separate conference Alptekin had arranged. It is a felony not to register but the Justice Department rarely files such charges.
Flynn on election day penned an editorial in Capitol Hill political tabloid The Hill, where he expressed the need for the U.S.to support Erdogan's government, and called for the extradition of Fethullah Gulen, the Muslim cleric living in the US who Turkish government officials believe was behind the attempted 2016 military coup to remove Erdogan from power. The documents say Alptekin "introduced officials of the Republic of Turkey to Flynn Intel Group officials at a meeting on September 19, 2016, in NY". He also took issue with Thrush asking about Flynn's dealings, feeling he was impugning the general's character.
HR McMaster was appointed as Flynn's replacement as national security adviser last month.
The lobbying coincided with Flynn working with Trump as his presidential campaign manager.
Flynn and his firm have not commented on the matter.