EU Countries Struggle to Reach Agreement on 15% Minimum Tax Rate

European Union countries haven’t yet agreed to details of a minimum corporate income tax rate, a senior EU official said a day before the bloc’s finance ministers are set to meet.

Countries are yet to agree on when the 15% minimum tax should take effect, and some have concerns about the administrative burden the rule could create for EU countries where only a handful of companies will be affected, the official said Monday, speaking on condition of anonymity during a briefing with reporters.

The minimum tax rule—known as Pillar Two of a deal struck in October to overhaul global tax ...