On September 16, 2019, the German conservative parties, the Christian Democrats and the Christian Social Union, published a report calling for reform of environmental taxes and levies to help Germany achieve its emissions reductions targets.

On September 17, 2019, Dutch State Secretary for Finance Menno Snel presented the Government's 2020 Tax Plan to the House of Representatives. It includes revised plans for corporate tax cuts.

The Irish Government is arguing that favorable tax treatment was not granted to Apple under two rulings deemed by the EU to have constituted illegal state aid to the company.

Chile's Minister of Finance on September 17, 2019, announced the launch of a tax amnesty for businesses and individuals with outstanding tax debts, which will offer reduced penalties and interest.

The International Chamber of Commerce has warned that micro-, small-, and medium-sized businesses' growth prospects are being stymied by complex indirect tax regimes. It has released an issues brief that is intended to contribute towards international reform talks being led by the World Trade Organization.

The General Authority of Zakat and Tax (GAZT) in Saudi Arabia published final transfer pricing by-laws, including transfer pricing documentation requirements proposed under the OECD's 2013 Base Erosion and Profit Shifting (BEPS) Action 13 Plan, on February 15, 2019. GAZT has now begun formally requesting the submission of specific transfer pricing documentation, in relation to the fiscal year ending December 31, 2018.

On September 16, 2019, the United States Internal Revenue Service announced the mailing of a time-limited settlement offer for certain taxpayers under audit who participated in abusive micro-captive insurance transactions.

The Swiss Government on September 20, 2019, announced that it has exchanged instruments of ratification with the United States to bring into force a Protocol to their double tax agreement.