The ACLU and 25 women’s rights organizations have filed a friend-of-the-court brief urging a federal appeals court to reconsider a legal ruling that makes it more difficult for women to fight unlawful sex-based pay disparities under the Equal Pay Act.

The groups threaten a lawsuit over two-year delay of NEAR Act stop-and-frisk data collection requirement.

The U.S. Court of Appeals for the D.C. Circuit has ruled that the discriminatory denial of a request for a transfer can be a violation of federal employment discrimination law.