; and (B) may, at any time— (i) make recommendations to a participating State with respect to the administration of the State loan fund of the State; or (ii) require specific changes with respect to a State loan fund in order to improve the effectiveness of the fund. (j) Liability protections The Federal Government shall not be liable for any claim based upon the exercise or performance of, or the failure to exercise or perform, a discretionary function or duty on the part of the Federal agency, or an employee of the Federal Government, in carrying out the provision of this section. (k) Regulations The Administrator shall promulgate such guidance or regulations as may be necessary to carry out this section, including guidance or regulations that— (1) ensure that each participating State to which funds are allocated under this section uses the funds as efficiently as possible; (2) reduce, to the maximum extent practicable, waste, fraud, and abuse with respect to the implementation of this section