Effective immediately, the Trump administration can begin planning for how it would implement an end to birthright citizenship.

A divided Supreme Court has ruled that individual judges lack the authority to grant nationwide injunctions, but the decision leaves unclear the fate of President Donald Trump’s restrictions on birthright citizenship.

In Trump v. CASA, the Supreme Court significantly narrowed federal courts’ power to issue “universal” or “nationwide” injunctions—broad orders that bar the government from enforcing a policy against anyone,