into effect

That treaty came into effect in 1978.

The changes, which came into effect in April, means house buyers now pay the tax on properties over £125,000, instead of over £250,000, as was the case previously.

Trump had previously said the tariffs would come into effect by 3 May.

Reuters says it has also seen a counter-proposals from Europe and Ukraine, which reportedly say the sides will only discuss what happens to occupied Ukrainian territory once a ceasefire has come into effect.

By contrast, the Europeans and Ukrainians will only discuss what happens to occupied Ukrainian territory after a ceasefire has come into effect.