(RNS) Five key Catholic bishops are opposing the newly authorized Violence Against Women Act for fear it will subvert traditional views of marriage and gender, and compromise the religious freedom of groups that aid victims of human trafficking.

The act, to be signed into law by President Obama on Thursday (March 7), is intended to protect women from domestic violence, sexual assault and human trafficking, and allows the federal government to spend money to treat victims and prosecute offenders.

But for the first time since the original act became law in 1994, it spells out that no person may be excluded from the law’s protections because of “sexual orientation” or “gender identity” — specifically covering lesbian, transgender and bisexual women.

That language disturbs several bishops who head key committees within the U.S. Conference of Catholic Bishops that deal with, among other issues, marriage, the laity, youth and religious liberty.

“These two classifications are unnecessary to establish the just protections due to all persons. They undermine the meaning and importance of sexual difference,” the bishops said in a statement released by the USCCB on Wednesday.

“They are unjustly exploited for purposes of marriage redefinition, and marriage is the only institution that unites a man and a woman with each other and with any children born from their union,” the statement continued.

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