The EU’s efforts to safeguard its digital regulations are holding up a joint statement on trade, following an agreement struck last month in Scotland, the Financial Times reported.

The two sides are at odds over wording around the rules that target the behavior of Big Tech as the US wants to keep open the possibility of concessions on the bloc’s landmark Digital Services Act, the newspaper reported. The European Commission has previously said that this would be unacceptable.

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US President Donald Trump is not planning to sign an executive order lowering tariffs on EU car imports until the joint statement is finalized, the FT says citing an unnamed US official.

The US and EU agreed to a deal in July that sees the bloc face 15 percent tariffs on most of its exports, though the US is still yet to lower the levies on cars to 15 percent.

However, EU officials are confident they will conclude the agreement by the end of next week to unlock both the joint statement and executive actions in the US.

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The two sides are working through the details of various issues including capping tariffs on cars and future sectoral levies at 15 percent, finalizing lists of strategic products that will be granted lower duties and a framework for discussions on steel and aluminum, according to people familiar with the matter.

A spokesperson for the European Commission didn’t immediately respond to a request for comment outside of normal business hours.