California Gov. Gavin Newsom has signed a bill that restricts the ability of retailers like Amazon to enforce production quotas on warehouse workers, a move hailed by labor advocacy groups but opposed by business organizations as needless and burdensome. The measure, called AB 701, passed the state assembly earlier in the month and was signed into law by Newsom on Sept. 23. The law, which goes into effect on Jan. 1, 2022, bars mega-retailers like Amazon from firing or retaliating against warehouse workers for missing quotas that interfere with bathroom and rest breaks. It also requires greater transparency around production quotas, with large warehouse employers having to disclose quotas to workers within 30 days and provide authorities with detailed descriptions of productivity targets workers are expected to meet. The law, which applies to all warehouse distribution centers, also allows employees to sue to suspend unsafe quotas or reverse retaliation. “We cannot …