In this note, the author provides an overview of a number of tax changes published on 15 July 2023 regarding, inter alia, the new CO2 quota tax, windfall taxes (on financial institutions, airlines, pharmaceutical companies and securities trading), corporate taxation (loss carry-forwards, liabilities waived in the course of a reorganization or restructuring proceeding, the new development tax allowance, preferential transfers of assets and advertisement costs), VAT (withdrawal from a tax group, claims for input VAT on the acquisition of domestic immovable property by non-residents and the issuance of invoices), and “trusted or reliable taxpayer status”.