Article 518(1) sets a **30-day** period to appeal a judgment served on a party residing in Greece. The company is seated in Heraklion and was served there, so the 30-day period applies.

Under Article 144(1), the day of service is excluded. The count starts on **17 July 2026**: 17–31 July inclusive is **15 days**.

Article 147(1) suspends this appeal period from **1 to 31 August**. The remaining **15 days** run from 1 September, making **15 September 2026** the 30th counted day. It is a Tuesday, so no extension for a non-working last day applies.

RESULT: deadline = 2026-09-15; rule = Articles 518(1), 144(1), 147(1)