7 C.F.R. § 800.157
(b) Weighing logs. The record of a Class X or Class Y weighing service performed on bulk grain in a combined lot or bulk shiplot grain shall include the official weighing log as prescribed in the instructions. The original copy of each weighing log shall be retained by the field office or agency that performed the weighing.
(Approved by the Office of Management and Budget under control number 0580-0011)