Complex sentence: The 2017 legislative election was the first held after the legal abolition of the dual mandate in France in 2014; deputies will no longer be allowed to concurrently serve in local government, frequently as mayors, upon election to the National Assembly.
Split into simpler sentences: The 2017 legislative election was the first held after the legal abolition of the dual mandate in France in 2014. Deputies will no longer be allowed to concurrently serve in local government, frequently as mayors, upon election to the National Assembly.