The Obama administration said Friday that a Colorado congregation of Catholic nuns did not deserve an 11th-hour Supreme Court reprieve from an Obamacare rule that requires employers to insure contraception, in part because they are already exempted from directly obeying the mandate, according to NBC News.

In the latest skirmish over what has emerged as one of the thorniest political issues surrounding the president’s new health care law, Justice Department attorneys said the Denver-based chapter of the Little Sisters of the Poor obtains its insurance services from the Christian Brothers Services, which as a church organization is excused from the mandate, the outlet reported.

Advocates for the nuns applauded a last-minute order by Supreme Court Justice Sonia Sotomayor this week to temporarily block a requirement under the Affordable Care Act to insure birth control procedures, which took effect Jan. 1.

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