CARACAS, Venezuela — The Venezuelan government on Thursday said it has barred opposition leader Juan Guaido from holding public office for 15 years, though the National Assembly leader brushed off the measure and said it would not derail his campaign to oust President Nicolas Maduro.

The announcement by state comptroller Elvis Amoroso, a close ally of Maduro, cited alleged irregularities in Guaido’s financial records and reflected a tightening of government pressure on an opposition movement backed by the United States and its allies.

Guaido, who was elected to the assembly in 2015, has taken 90 international trips without accounting for the origin of the estimated $94,000 in expenses, Amoroso said. He also accused the opposition leader of harming Venezuela through his interactions with foreign governments, dozens of which support Guaido’s claim that he is interim president of the country.

“We’re going to continue in the streets,” Guaido said soon after Amoroso’s statements on state television. He dismissed the comptroller’s announcement as irrelevant because, in his view, Maduro’s government is illegitimate.

The power struggle between Maduro and Guaido has intensified the sense of crisis in Venezuela, which suffered its worst blackouts earlier this month and then another round of power outages that paralyzed commerce this week.

Communications Minister Jorge Rodriguez said Thursday that electricity had been restored in most of the country, though some areas remained without power.

Schools and public offices were still closed, but there was more traffic in the streets of Caracas and many people were able to make electronic payments for the first time in days.

Both the opposition and the government plan demonstrations on Saturday as they try to project resolve in a debilitating standoff in what was once one of Latin America’s wealthiest countries.

Maduro, who is backed by Russia, says he is the target of a U.S.-led coup plot.

The United States was the first nation to recognize Guaido as interim president, asserting that Maduro’s re-election last year was rigged.