A significant 33% of Greek taxpayers are facing additional tax liabilities this year. The deadline to submit amended tax returns without penalty is approaching, prompting action from those needing to adjust their filings. Key codes 787 and 788 offer a potential avenue for taxpayers to reduce their assessed lifestyle costs, potentially minimizing tax burdens. These codes relate to adjustments impacting calculated income and presumed living expenses. The government is facilitating payment of outstanding taxes through an eight-installment plan. Taxpayers are urged to review their initial submissions and utilize available options to avoid penalties and optimize their tax position before the deadline. This year’s filing cycle highlights the importance of accurate reporting and understanding available adjustments within the Greek tax system.