Mr. Platner, the likely Democratic nominee for Senate in Maine, met in Washington with several senators. Chuck Schumer, the minority leader, dodged questions about his confidence in Mr. Platner.

Jane Nelson, the Texas secretary of state, was appointed to the role overseeing statewide elections in 2023 by Gov. Greg Abbott.

The acting attorney general said the administration was preserving a broad order protecting the president and his family from audits of already filed returns, despite dropping a $1.8 billion payout fund.