More than a year after proposing regulations for e-cigs — battery-powered devices that vaporize liquid nicotine — the US Food and Drug Administration has sent its final rule over to the White House for review, The Hill reports.

The rule was forwarded Monday, and the White House's Office of Management and Budget has 90 days to look it over. But the timeframe can be extended to allow for further discussion, an FDA spokesperson told The Hill. That means that the FDA — and the public — might not hear back for a while. Still, it looks like the most wide-ranging e-cig regulations that the US has ever seen are on their way.

Right now, the FDA only regulates e-cigs marketed for therapeutic purposes