48 CFR §613.307-70 — File folders for purchase orders, delivery orders, blanket purchase agreements, and purchase card transactions.

Contracting officers shall use Forms DS-1918, Purchase Order File; DS-1919, Delivery Order File; DS-1920, Blanket Purchase Agreement (BPA) File; and DS-3014, Purchase Card Transaction File (Actions Exceeding $3,000 Through $25,000), to record relevant data and document those acquisitions, respectively.