In addition, under certain circumstances, GAO has the authority to access information from other entities receiving federal funds, such as the District of Columbia, state and local governments, and private sector contractors.
GAO can always access the information they want, without proper documentation. 
mnli hypothesis: GAO can always access the information they want, without proper documentation.  premise: In addition, under certain circumstances, GAO has the authority to access information from other entities receiving federal funds, such as the District of Columbia, state and local governments, and private sector contractors.