(a) Physical inventories shall be conducted annually by custodians, and witnessed by the Precious Metals Control Officer or his designee in accordance with 109-1.5110, Physical inventories frequency requirements.

(b) Precious metals not in use shall be inspected and weighed on calibrated scales. The inventoried weight and form shall be recorded on the physical inventory sheets by metal content and percent of metal. Metals in use in an experimental process or contaminated metals, neither of which can be weighed, shall be listed on the physical inventory sheet as observed and/or not observed as applicable.

(c) Any obviously idle or damaged metals should be recorded during the physical inventory. Justification for further retention of idle metals shall be required from the custodian and approved one level above the custodian, or disposed of in accordance with established procedures.

(d) The dollar value of physical inventory results shall be reconciled with the financial records. All adjustments shall be supported by appropriate adjustment reports, and approved by a responsible official.