If your business has an EPR Plastic Waste Registration from the Central Pollution Control Board (CPCB), filing the annual return is one of your most important compliance responsibilities. Many businesses complete their EPR registration but forget about annual reporting, which can lead to notices, delays in certificate renewal, or other compliance issues. Whether you are a Producer, Importer, Brand Owner (PIBO) or a Plastic Waste Processor (PWP), submitting your annual return through the CPCB EPR Portal is mandatory as per the applicable Plastic Waste Management Rules. In this guide, you will learn how to file the EPR Plastic Waste Annual Return online in 2026, what documents you need, the filing process, and common mistakes to avoid.