On April 18, 2018, Switzerland's Federal Council announced that the safeguard clause contained in the Agreement on the Free Movement of Persons and invoked in May of
2017 will continue to apply for Romania and Bulgaria (EU-2 states). As of June 1, 2018, the Swiss government plans to enforce quotas on both categories B and L work permits for persons from EU-2 (until June 2018, only B permits are subject to quotas) if the maximum numbers of L permits for EU-2 states have been reached by the May 31, 2018.