GENEVA (AP) — No international letters, no international packages: A top official with a 192-country postal union says that's what Americans can expect if the Trump administration goes through with plans to pull out of an international postal treaty over concerns about China.

Pascal Clivaz, deputy director-general of the Switzerland-based Universal Postal Union, says the agency reached out quickly to U.S. officials after receiving a letter from U.S. Secretary of State Mike Pompeo this week announcing Washington's plan to pull out of the union in a year if the treaty isn't renegotiated.

The U.S. says it's willing to do so.

It's the latest facet of Washington's multi-level trade dispute with Beijing. The Trump administration says the treaty allows China to ship packages to the U.S. at discounted rates, at the expense of American businesses.