The phrase "a treaty amendment" is correct and usable in written English.
You can use it when referring to a formal change or addition to an existing treaty.
Example: "The countries involved agreed to a treaty amendment that would address environmental concerns."
Alternatives: "an agreement modification" or "a treaty revision".
It seeks a treaty amendment that is sufficiently robust to satisfy Karlsruhe.
This difficulty might be overcome by declaring that nobody qualifies; but setting a new legally binding date would require a treaty amendment.
But since the administration is determined to pursue the system anyway, it should negotiate a treaty amendment that would let us proceed.
First of all, if the UK wished to see the law-making powers of the EU institutions reduced, that would require a treaty amendment.
Among the proposals for reform this dispute has elicited is Michael Pinto-Duschinsky's suggestion of a treaty amendment that would "allow national parliaments to override Strasbourg decisions on general matters of policy".
It is true that no one has objected to Cameron's boldest proposal in that speech, a treaty amendment to exclude Britain from the objective of "an ever closer union among the peoples of Europe", which, like free movement of workers, has been in the sacred texts since 1957.
A centralised Treaty amendment – a "Europe from the top down" – is difficult due to the prevalence of such multiple identities and, if pursued too rapidly and clumsily, could easily turn into overt opposition.
One is to put into effect changes that do not require any treaty amendment at all.
Treaty change should be postponed.Yet in the small hours of October 29th an EU summit agreed to make a "limited" treaty amendment.
Madam President, we have all known for a long time that the Intergovernmental Conference on its own is no longer an effective instrument for bringing about a proper treaty amendment.
Though not a perfect solution, because it could be seen as institutionalizing a two-speed Europe, the intergovernmental pact could be ratified much more quickly by parliaments than a full treaty amendment.
