The Senate Finance Committee advanced a bipartisan tax administration package Thursday aimed at modernizing the IRS, improving customer service and strengthening taxpayer rights. “This bipartisan bill modernizes and streamlines IRS operations, strengthens taxpayer rights, and delivers a more taxpayer-first system,” Senate Finance Chairman Michael D. Crapo, R-Idaho, said in his opening remarks. The bill includes a lengthy list of customer-service initiatives focused on modernizing the IRS, including those included in a House-passed tax administration bill. The committee shot down a handful of amendments, including one from Democrats on the panel intended to block the controversial settlement of President Donald Trump’s lawsuit against the IRS. The amendment came as two key GOP members of the Senate Judiciary Committee — Sens.