🇺🇸 米国のビザ・税制サマリー（ノマドビザ・投資移住・居住者判定・所得税・租税条約） ／ 人口ピラミッド・経済指標は姉妹サイト 世界の人口ピラミッド
IRS、英国税務当局の新しい内部告発者プログラムとのパートナーシップを強調
アメリカ国税庁（IRS）は、英国税務当局の新しい内部告発者プログラムとのパートナーシップを強調した。このプログラムは、IRSの内部告発者オフィスの専門知識を活用して迅速に立ち上げられた。IRSと英国税務当局は、国際的な税務違反を摘発し、国境を越えた税務遵守を強化するための取り組みを強化する。内部告発者は、税務当局が税務違反を摘発する上で重要な役割を果たす。 詳細
コロラド州の所得税に関する選挙日決定
コロラド州では、選挙日において2つの競合する所得税に関する措置を決定することになる。1つは、所得税を現在の4.4パーセントに固定するための発議法であり、もう1つは、段階的な個人と企業所得税を認める憲法修正案であり、新しい税率を設定する発議法が付随し、最高税率は8.4パーセントとなる。コロラド州の憲法は現在、すべての課税対象所得を1つの税率で課税することを要求しているが、修正案が承認されれば、段階的な税率を導入できるようになる。 詳細
Missing out on a tax rebate check is certainly disheartening, but New Jersey wallets are getting actively drained by an even bigger problem in the tax code: the state’s graduated-rate income tax thresholds don’t change with inflation, either.
IR-2026-116, Sept. 30, 2026 — The IRS announced today that due to the ongoing conflict in Israel, the agency is providing additional tax relief to affected individuals and businesses, postponing until Sept. 30, 2027, a wide range of deadlines for filing federal returns, making tax payments and performing other time-sensitive tax-related actions.
Congress has passed some major simplifying reforms in recent years, but the tax code has still grown more complex over the past few decades. New carveouts, savings vehicles, and targeted tax increases would complicate it further.
The proposed GROWTH Act would make the tax treatment of investment funds more consistent and improve the tax treatment of saving in the US by allowing investors to defer tax on qualifying reinvested capital gains distributions until they sell their fund shares.
California's billionaire tax is on the ballot this November, and it raises more questions than answers. From lost government revenue to legal battles that could drag on for years, what would this first-in-the-nation wealth tax actually do?
Americans will spend 6.9 billion hours complying with IRS tax filing and reporting requirements in 2026, costing about $387 billion in lost productivity. Including an additional $157 billion in out-of-pocket costs, complying with the federal tax code will cost Americans more than $544 billion this year, over 1.7 percent of GDP.
IR-2026-110, Sept. 15, 2026 — The Internal Revenue Service today issued guidance that provides an extension of tax relief for farmers and ranchers in most states and other regions who sold or exchanged livestock because of drought conditions.
This document contains proposed regulations related to the allocation and apportionment of deductions to foreign source section 951A category income for foreign tax credit limitation purposes and for purposes of calculating deduction eligible income. The proposed regulations would affect taxpayers that operate in foreign countries through foreign corporations and domestic corporations that claim the deduction for foreign-derived deduction eligible income.