The rugby star earned 20 test matches for New Zealand before changing representation to the Samoan team.
Rugby league's administration has announced that athletes who join the “breakaway” R360 will be barred for a decade.
R360, set to start in late 2026, is aiming to attract athletes from both codes with substantial agreements and a condensed playing schedule.
Leading National Rugby League players have reportedly received offers by the breakaway group, which will feature six or eight men's clubs and women's teams based in key urban centers worldwide.
Representing Samoa the player, who plays for the Warriors in the NRL, has said he has had talks with the breakaway league.
Papenhuyzen, Lomax, Payne Haas and Jye Gray are also said to be thinking about signing R360.
Eight major union teams, including Australia, last week declared a ban on players joining R360 playing global fixtures.
“We have consulted our teams and we've responded strongly,” said Australian Rugby League Commission head Peter V'Landys.
“Unfortunately, there will persistently exist entities that seek to pirate our code for potential financial gain.
“They fail to contribute in pathways or the growth of talent. They merely capitalize on the hard work of others, jeopardizing careers of economic hardship while profiting themselves.
“In truth, they represent, counterfeiting a code.”
The organization is established by retired international Mike Tindall and funded by commercial backers.
After the potential rugby union prohibitions were declared earlier, it said: “We want to work collaboratively as part of the worldwide fixture list.
“The event is arranged with tailored timetables for men's and women's teams and the organization will permit participants for test matches, as written into their deals.”
R360 will seek approval for its proposals from World Rugby, the sport's regulatory group, at its board session in the coming year.
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