interests have been sidelined to accommodate the interests of richer countries like ireland which had refused to sign a deal with a minimum tax rate higher than 15argentine economy minister martin guzman said on thursday that proposals on the table forced developing countries to chose between something bad and something worsewhile kenya nigeria and sri lanka did not back a previous version of the deal pakistans abstention came as a surprise one official briefed on the talks said india also had qualms up to the last minute but ultimately backed the deal they addedthere was also disatisfaction among some campaign groups such as oxfam which said that the deal would not end tax havensthe tax devil is in the details including a complex web of exemptions oxfam tax policy lead susana ruiz saidat the last minute a colossal 10year grace period was slapped onto the global corporate tax of 15 per cent and additional loopholes leave it with practically no teeth ruiz added in a statementthe oecd said that the deal would next go to the group of 20 economic powers to formally endorse at a finance ministers meeting in washington on october 13 and then on to a g20 leaders summit at the end of the month in rome for final approvalthere remains some question about the us position which depends in part on domestic tax reform negotiations in congresscountries that back the deal are supposed to bring it onto their law books next year so that it can take effect from 2023 which many officials have said is extremely tightfrench finance minister bruno le maire said paris would use its european union presidency during the first half of 2022 to translate the agreement into law across the 27nation bloc