The Taoiseach said the British government had freely entered into the treaty.
The Taoiseach has condemned the British government for what he called its “bad faith efforts” to undermine a Treaty freely entered into.
Speaking in the European Parliament in Strasbourg a short time ago, Micheál Martin said the European Union has worked hard to find ways to minimise the negative impacts of Brexit on businesses and citizens of Northern Ireland.
But he said, efforts to block agreements or introduce new problems have been seen instead of creating a constructive atmosphere for all to engage in.
He told MEPs there are solutions to practical problems under the Protocol if there is the political will to find them.
However he said, that would require the UK government to engage with good faith, seriousness and commitment.
The British Government has been accused of "diplomatic vandalism" by a Fianna Fail MEP.
Boris Johnson's cabinet are set to propose new legislation that will allow future minister to override the Northern Ireland Protocol.
If it's passed, it would overturn many of parts of the agreement, including allowing goods to enter the North from Britain without checks.
Fianna Fail MEP Barry Andrews doesn't expect the legislation to get the green light:
Speaking in the European Parliament, Michael Martin said these proposed changes to the Protocol would be an 'historic low point' in relations: