Retail staff at The Warehouse could be forced to work 10-hour days and 50-hour weeks under a deal proposed by the company, the National Distribution Union says. 

The union has organised stopwork meetings in Wellington, Christchurch and other centres this week in protest at the deal and roster changes introduced this year.

Union organiser Simon Oosterman said the company had offered staff in the union two deals in contract negotiations.

One was a seven-month agreement that was "exactly the same" as the existing contract.

The other was a three-year deal that offered wage rises consistent with increases in the consumer price index and gave the company the right to extend and change staff hours during "peak periods" without consultation, he said.

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