As BoxingScene.com reported on Friday, the International Boxing Federation ordered IBF, WBC Franchise, WBO, WBA lightweight champion Teofimo Lopez to make a mandatory defense against unbeaten George Kambosos.
Kambosos secured the shot last year with a twelve round decision over former world champion Lee Selby.
And also last year, Lopez became the man at 135-pounds with a career-defining decision win over Vasiliy Lomachenko.
The two sides are already in discussions to have the fight take place in a big venue in Australia before a sizable crowd of spectators.
"It's confirmed from the IBF saying that the fight now has to take place. It is good, it puts pressure on Lopez. I have earned my shot, and he has to fight me,'' Kambosos said on Saturday after the governing body ruled that Lopez must fight Kambosos," Kambosos told The Sydney Morning Herald.
''We have been negotiating with Lopez manager and Top Rank since I beat Lee Selby (in London last October) ... we are pushing for me and Lopez fighting for all the belts and for it to be here in Australia, that's the most important thing. I really want it. A lot of people don't want to fight Lopez. But this mandatory is good. I really want this fight, I truly believe I will win this fight.''
Kambosos expects the contest to take place in the next few months - and he feels their bout would be the "biggest fight ever" on Australian soil.
''We would look for it to happen probably April or May. It will be the biggest fight ever in Australian history I believe. There's never been a unified champion with all of the belts in Australia, and I believe I can become the first and the greatest fighter in Australian history," Kambosos said.
''That's not taking anything away from our great fighters. I love the history of the sport, our former champions Jeff Fenech and Lionel Rose, all the champions that have come through the ranks and helped me get to the position I am because they led a road to fighting in this country.
''But this would be huge, massive. I have got that vision, I could see myself in front of a packed-out arena with thousands of people watching me become the undisputed lightweight champion of the world with four belts around my waist.''