The Agricultural Marketing Service has posted a Final Supplement 509 for Alaska Pollock, June 2026. Minor updates include: Contractors shall provide documentation that verifies the raw material block used for further processing meets all the Fish Flesh requirements as stated in the supplement; under the delivered product section, a statement informing vendors that truck seal numbers must also be recorded on the BOL, per the Master Invitation; product temperature at time of loading to be recorded on the Contractor's Checkloading shipping documentation; replaced immediate & shipping container verbiage with primary package and shipping case - throughout the documents; replaced supplier with contractor - throughout the documents; metal detection validation must be performed with all three metals during each testing interval, including TP procedural requirements; contractors must provide written proof of an approved USDC Product Management Plan (PMP) to support finished products meet the grade requirements; updated name from “Master Solicitation” to “Master Invitation for Bids – Domestic Commodity Procurement (MIFB-D)”; “Delivery” date changed to “Shipping” date on the Certificate of Conformance