Any agreement entered into under subsection (a) of this section shall not require the Secretary to remit such sums more often than once each calendar quarter.
The Secretary may enter into agreements under subsection (a) of this section at such time or times as he considers appropriate.
This section imposes no duty, burden, or requirement upon the United States, the Senate, or any officer or employee of the United States, except as specifically provided in this section. Nothing in this section shall be deemed to consent to the application of any provision of law which has the effect of subjecting the United States, the Senate, or any officer or employee of the United States to any penalty or liability by reason of the provisions of this section. Any paper, form, or document filed with the Secretary under this section is a paper of the Senate within the provisions of rule XXX of the Standing Rules of the Senate.