USDA Amends Administrative Requirements for Walnuts Grown in California dparker Thu, 08/20/2026 - 09:34 Date August 20, 2026 The U.S. Department of Agriculture (USDA) issued a final rule amending administrative requirements for the marketing order regulating the handling of walnuts grown in California. This action codifies the assessment payment schedule for handler assessments, establishes interest and late payment charges on overdue assessments owed, and modifies existing reporting requirements for walnut receipts.