; ; (C) in paragraph (2), by inserting or at the end; (D) by amending paragraph (3) to read as follows: (3) willfully refuses to comply with drug testing imposed as a condition of supervised release; ; (E) by striking paragraph (4); and (F) in the matter following paragraph (4), by striking subsection (e)(3) and inserting subsection (e)(1)(C) ; and (5) in subsection (k), in the second sentence, by striking subsection (e)(3) and inserting subsection (e)(1)(C) . 4. Law enforcement availability pay for probation and pretrial services officers Not later than 180 days after the date of enactment of this Act, the Director of the Administrative Office of the United States Courts, in consultation with the Director of the Office of Personnel Management, shall submit to the Committee on the Judiciary of the Senate and the Committee on the Judiciary of the House of Representatives a report containing a legislative proposal, and considerations for implementation of the proposal, that would provide law enforcement availability pay to Federal probation officers and pre-trial services officers that is equal to that provided to criminal investigators under section 5545a of title 5, United States Code. 5. GAO report (a) Initiation of study Not later than 1 year after the date of enactment of this Act, the Comptroller General of the United States shall initiate a study on Federal post-release supervision and reentry services. (b) Report The Comptroller General of the United States shall submit to Congress a report regarding the study under subsection (a), which shall include findings and potential recommendations related to— (1) the number of individuals that have been placed on Federal probation or supervised release since 2019; (2) the process for transitioning an individual from the custody of the Bureau of Prisons to the Office of Probation and Pretrial Services or the custody of the United States Marshals Service