32 CFR §855.19

Supplies and services furnished to a user will be charged for as prescribed in AFM 67-1, volume 1, part one, chapter 10, section N, Basic Air Force Supply Procedures, and AFR 177-102, paragraph 28.24, Commercial Transactions at Base Level. 6 A personal check with appropriate identification, cashier's check, money order, or cash are acceptable means of payment. Charges for handling foreign military sales cargo are prescribed in AFR 170-3, Financial Management and Accounting for Security Assistance and International Programs. 7