Business News 130 countries back global minimum corporate tax of 15% The new tax regime will add some $150 billion to government coffers globally once it comes into force, which the OECD said it hoped would be in 2023. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Delta variant to become predominant mutation across US Australia to halve arrivals from overseas, offers exit roadmap