IRS Commissioner Danny Werfel detailed new IRS efforts to collect taxes from high-income individuals, complex partnerships, and large corporations. He also gave an update on IRS modernization progress.

In an annual report to Congress, the national taxpayer advocate says the IRS should prioritize improving service on the practitioner priority service line, which had a 29% call answer rate.

IRS commissioner Danny Werfel promised “marked improvement” for the upcoming tax season, when almost 129 million individual tax returns are expected to be filed.