That was subsequently withdrawn when the sale agreement with Yili was signed in March, he said.
"Yet the Government chose to sit on its hands and watch while the takeover went ahead".
Leitch said his party is concerned that the Overseas Investment Office may have failed to apply a much stricter set of criteria under the Overseas Investment Act 2005 which would have seen ministers, not the OIO, make the final decision.
He said few would disagree, and it was important for Kiwis to have confidence that the OIO, which was the gatekeeper for overseas investment in this country, was applying the rules properly.
"We want to see New Zealanders reaping the benefits of that world leadership in the primary sector, not overseas shareholders. Massive chunks of the overseas exchange that our country earns from that world leadership, are lost when those overseas owners claim their profits.
"There's a tidal wave of applications from overseas entities that want to snap up the best agricultural land and agricultural and horticultural businesses that New Zealand has, so we're taking a stand on the issue," Leitch said.