changes are being proposed but that was once intended to last for a generation with simplified process as demanded by the powers that be  you in order o mechanism that they to be
Changes are now being proposed for the Treaty that was once intended to last for a generation, with a simplified process, as demanded by the powers that be in the EU, in order to create a mechanism that they believe to be 'fully consistent with [International Monetary Fund] policies'.
Changes are being proposed the that was once intended to last for a generation, with simplified process, as demanded by the powers that be the EU, in order a mechanism that they to be 'fully consistent with Fund] policies'.