41 C.F.R. § 302-10.400
Establishment of policies for authorizing transportation of a mobile home
Agencies must establish policies for authorizing transportation of a mobile home that implements this part including when:
(a) It is considered in the best interest of the Government to assume direct responsibility for preparing and transporting an employee's mobile home; and
(b) To authorize an advance of funds for a commercial carrier transporting an employee's mobile home based on constructive or estimated cost when the employee assumes direct responsibility for payment.