Arizona’s Democratic Attorney General Kris Mayes, speaking in Phoenix last month after the state’s supreme court ruled that an 1864 ban on abortion could be enforced, had pledged not to enforce the law. Now the legislature has voted to repeal it.

Jonathan Cooper/AP

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Jonathan Cooper/AP

Arizona’s Democratic Attorney General Kris Mayes, speaking in Phoenix last month after the state’s supreme court ruled that an 1864 ban on abortion could be enforced, had pledged not to enforce the law. Now the legislature has voted to repeal it.

Jonathan Cooper/AP

The Arizona Senate voted Wednesday to repeal the Civil War-era ban on abortion that was recently revived by a court ruling, setting the stage for it come off the books later this year.

The repeal passed the Republican-led Senate by a vote of 16 to 14, with a couple Republicans joining Senate Democrats. (Republicans hold 16 seats in the 30-seat Senate.)

Arizona became the focus of the country’s state-by-state abortion debate April 9, when the state supreme court ruled that a ban on abortions passed in 1864 could be enforced again.

Last week the House passed a bill to repeal the law and Democratic Gov. Katie Hobbs has promised to sign it after Senate approval. But lawmakers lacked the votes to make the repeal effective immediately, meaning there could be uncertainty for months about whether it can still be enforced.

The state’s Democratic Attorney General Kris Mayes has vowed not to enforce it.

But newly-signed bills don’t go into effect until 90 days after the end of the legislative session. It is still unclear when the ongoing session will end. The session continues while Republican legislative leadership and Hobbs negotiate the state budget. Last year the session did not end until July 31.

That delay could result in the near-total ban going into effect in June before the repeal takes it off the books.

“They should have repealed it a long time ago so we wouldn’t be in this position,” Hobbs said last week. “Unfortunately, it’s not possible to get this repeal enacted right away.”

The 1864 law passed when Arizona was a still U.S. territory and it outlawed abortions except to save the life of the mother. It remained effectively dormant during the decades that Roe vs. Wade enshrined a federal right to abortion.

Months before Roe was overturned by the U.S. Supreme Court, Arizona passed a ban on abortions after 15 weeks of pregnancy, except to save the life of the mother. And at the same time, it voted to keep the 1864 law on the books as well – enabling the court case that revived it.

It had already been unclear when the old ban would take effect. Attorney General Mayes estimated that ongoing legal maneuvers have delayed the effective date of the 1864 ban to June 27. Mayes has filed a request with the state Supreme Court to hold off on its mandate in the case, which could delay enforcement and possibly close the gap.

Though Mayes vows not to enforce the old ban, local prosecutors could try to put that to a test.

Meanwhile, pro-abortion rights groups are working to put an amendment enshrining abortion access into the state constitution to a vote in November.

This is a developing story.