§ 289e. Use of appropriations
(a)
Appropriations to carry out the purposes of this subchapter, unless otherwise expressly provided, may be expended in the District of Columbia for—
(3)
travel expenses (including the expenses of attendance at meetings when specifically authorized by the Secretary);
(b)
(1)
None of the amounts appropriated under this chapter for the purposes of this subchapter may be obligated for the construction of facilities (including the acquisition of land) unless a provision of this subchapter establishes express authority for such purpose and unless the Act making appropriations under such provision specifies that the amounts appropriated are available for such purpose.