§ 3322. Disbursing officials
(a)
The Secretary of the Treasury shall transfer public money to a disbursing official only by draft or warrant written on the Treasury. Except as provided in section
3716 and section
3720A of this title and subsection (b) of this section, a disbursing official shall—
(b)
In a place without a depositary, the Secretary, on deciding it is essential to the public interest, may authorize specially in writing that public money be—
(c)
A disbursing official is not liable for an overpayment provided under a United States Government bill of lading or transportation request when the overpayment is caused by the—
(1)
use of improper transportation rates or classifications if the Administrator of General Services has determined that verification by a prepayment audit conducted pursuant to section
3726
(a) of this title for a particular mode or modes of transportation, or for an agency or subagency, will not adequately protect the interests of the Government; or