; and (2) an electronic mechanism by which the veteran may opt out of such enrollment. (d) Provision of notice and information The notice and instructions required to be provided under subsection (d)(2) of section 1705 of title 38, United States Code, as added by subsection (a), shall be provided in accordance with the established procedures of the Department of Veterans Affairs with respect to the provision of similar types of notices and instructions. (e) Report on automatic enrollment (1) In general Not later than 1 year after the first veteran is enrolled in the patient enrollment system of the Department of Veterans Affairs under subsection (d) of section 1705 of title 38, United States Code, as added by subsection (a), the Secretary shall submit to Congress a report on the enrollment process under such subsection. Such report shall include each of the following: (A) A discussion of any anticipated challenges that occurred in implementing such subsection, the strategies used to address such challenges, and the effectiveness of such strategies. (B) A discussion of any unanticipated challenges that occurred in implementing such subsection, the strategies used to address such challenges, and the effectiveness of such strategies. (C) Any additional information the Secretary determines appropriate, including information that may be useful to other Federal departments and agencies considering the implementation of similar automatic enrollment programs. (2) Form of report The report required under paragraph (1) shall be submitted in unclassified form, but may include a classified annex. 3. GAO report on notice of automatic enrollment in patient enrollment system of Department of Veterans Affairs Not later than 180 days after the date of the enactment of this Act, the Comptroller General of the United States shall submit to Congress a report containing the results of a study to determine the best methods for the Secretary of Veterans Affairs to provide notice under paragraph (2) of subsection (d) of section 1705 of