Folau's contract was terminated last month after the league said he breached its player code of conduct.
John has not played a game for the Waratahs since joining the team just before the start of the season and has been on leave for weeks.
Tomorrow, the Highlanders will host the Bulls at 7.35pm while the Reds will take on the Blues at 9.45pm.
According to the Daily Telegraph's Jamie Pandaram, Folau offered to let his potential employers vet any social media posts before he shares them.More news: India’s Modi visits bombed Sri Lanka church, vows support after attacks
Under section 772 of the Fair Work Act, it is unlawful to terminate employment on the basis of religion.
The dual global was sacked last month after he posted a bible passage on Instagram proclaiming hell awaits "drunks, homosexuals, adulterers, liars, fornicators, thieves, atheists and idolaters" if they do not repent.
'The messages of support we have received over these hard few weeks have made me realise there are so many Australians who feel their fundamental rights are being steadily eroded.
"I was disappointed by the way Rugby Australia handled my hearing, and it has been hard to read stories in the media that are simply untrue", Folau said.More news: German Industrial Output and Exports Decline Sharply in April
"John has been in a hard position for the last wee while", coach Daryl Gibson said of Folau's younger sibling, a journeyman signing who has never played for the team.
The 30-year-old former Wallabies fullback said he would seek a declaration from Australia's Fair Work Commission, an industrial relations tribunal, that his employment was terminated because of his religion.
ISRAEL Folau is so determined to resume his playing career that he has hired one of Australia's leading barristers and a top commercial law firm to help fast-track his return to the playing field while he decides whether to sue Rugby Australia and Rugby NSW.
RA believes that the termination was about an employee failing to honour the contract that they signed. He was set to play an important role in Australia's World Cup campaign, starting in September. He has got really divided loyalties to his family and his brother and then also to the team.More news: Regulator proposes radical overhaul of "dysfunctional" bank overdraft charges
"The idea that Israel Folau has been blacklisted or banned is wrong, there are clubs that want him and the NRL has not made a final decision on this issue".