Manufacturers and importers that place packaging on the Irish market carry an obligation many only discover during an audit or a held shipment. Ireland packaging EPR compliance now hinges on the two-part "major producer" test, mandatory Repak membership since self-compliance ended in January 2023, and bi-annual packaging reporting by material type. Miss the threshold assessment, understate your tonnage, or overlook e-commerce and transport packaging, and you face fee exposure, audit findings, and a market-access risk that intensifies as Regulation (EU) 2025/40 (PPWR) takes effect from August 2026 with a new producer register and authorised representative route. The operational cost is concrete. For teams still reconciling supplier declarations across spreadsheets and email, every reporting cycle becomes a manual scramble to defend numbers that should already be evidence-backed. This breakdown of Repak membership and reporting requirements covers who qualifies, how registration works,