Travel orders for specific trips describing the travel and an estimate of cost. A separate control number will be used for each trip. Used as an obligation document for external training activities. When traveling in conjunction with training, block 22 is completed and a DOJ-501 is not needed. Under limited circumstances, when there is no written binding agreement, the DEA-152 can serve as official documentation.
Some examples are telephone services, gas and oil purchases, etc.
It must, however, be supported by copies of invoices. The DEA-152 cannot stand alone as official documentation. When the contracting officer signs a statement to the effect that a purchase order will not be issued. An SF-1164 submitted for cash payment of expenses incurred or purchases made will be considered an obligation document. Any unobligated balances will be removed from the allowance at year-end.