5 U.S. Code § 3107
5 U.S. Code § 3107 is about Employment of publicity experts; restrictions. It is under Part 3 (Employees) Subpart B (Employment and Retention) Subchapter 1 (Employment Authorities) Chapter 31 (Authority For Employment) of Title 5 (Government Organizations and Employees) of the Code.
Appropriated funds may not be used to pay a publicity expert unless specifically appropriated for that purpose.