New Zealand Rugby will not make an exception to their overseas player policy for Richie Mo'unga ahead of the All Blacks' tour to South Africa, with CEO Steve Lancaster confirming there has been no request to the board to relax the rules.

Mo'unga returns from Japan before the Nations Championship but, under current NZR policy, remains ineligible until the Bledisloe Cup Tests against Australia. He must first play for Canterbury in the NPC before becoming available for All Blacks selection in October — meaning he will miss the Springboks series entirely unless injuries force the issue.

New All Blacks head coach Dave Rennie has made no secret of wanting Mo'unga available, and has also flagged Brodie Retallick — another Japan-based player — as someone he would like in contention. Lancaster acknowledges the friction but frames it as productive rather than problematic.

"Dave's very clear, he would like Richie to be available for selection because his job is to ultimately win the World Cup next year and he wants the best talent available," Lancaster told Newstalk ZB. "That's a really healthy tension for us to have, where we've got a coach who rightly has a focus on winning today and tomorrow, and then we've got ourselves as the administrators of the game who have to have a systems lens and a medium to long-term lens on what's best for the game."

Lancaster pointed out that several world-class players have committed to remaining in New Zealand on the basis of the existing policy, and that relaxing it carries implications beyond any single selection call. Rennie currently has Beauden Barrett, Damian McKenzie and Ruben Love as his available options at fly-half for the South Africa tour.

The injury exemption clause does exist — Lancaster confirmed that if the All Blacks suffer significant casualties at ten, Mo'unga could become eligible earlier — but barring that scenario, the Springboks will not face him this series.