She said her organization would file a brief urging the Court to rule broadly.
Many businesses and organizations must file thousands of information returns per year.
The organization filed a successful class action lawsuit for back wages, and has a number of other legal actions pending.
Two organizations have filed separate lawsuits against the federal wildlife agency's plan.
She said the organizations should file any objections by noon Wednesday.
Both organizations have filed lawsuits in federal court seeking to overturn the policy.
The organization filed a similar challenge in Washington.
The organizations file federal appeals when they are called for and absorb the costs.
The organization filed lawsuits for the next several decades to stop further developments.
His organization has filed an entry in the public-comment process.