The guideline provides formulas and examples for calculating retained water in products and recommendations to ensure the retained water protocol provides accurate data for labeling determinations. FSIS encourages meat and poultry establishments to review the guidance and revise protocols accordingly, if necessary. Establishments will have until September 30, 2024, to submit their revised protocols to the Risk Management and Innovations Staff via askFSIS for review. Establishments will have until April 1, 2025, to make any necessary label changes.