The Trump administration is giving Chevron Corp. one month to stop producing oil in Venezuela, delivering a heavy blow to Nicolas Maduro’s autocratic regime. The U.S. Treasury set an April 3 deadline for the oil major to wrap up operations,

The Trump administration on Tuesday gave Chevron 30 days to stop oil production in Venezuela after Washington accused President Nicolas Maduro of not making progress on electoral reforms and migrant returns.

The Trump administration made a dramatic move Tuesday, ceasing an important operating license the American oil giant Chevron needed to operate in Venezuela. The decision follows Washington’s condemnation of President Nicolás Maduro’s government for not making concrete advances on key electoral reforms.