; (ii) instructions for how the veteran may opt out of such enrollment, at the election of the veteran; and (iii) instructions for how the veteran may elect to enroll at a later date. (B) In carrying out subparagraph (A), the Secretary shall consider using, to the extent practical, mass texting capabilities through mobile telephones. (C) Any notice or instructions required to be provided under this paragraph shall be provided in the form of a physical copy delivered by mail and, to the extent practical, in the form of an electronic copy delivered by electronic mail. (3) The information described in this paragraph is the appropriate information concerning eligibility for enrollment in the patient enrollment system under this section, as provided by the Defense Manpower Data Center of the Department of Defense, or such successor entity of the Department. . (b) Applicability Subsection (d) of section 1705 of title 38, United States Code, as added by subsection (a), shall apply to a veteran who is discharged or separated from the Armed Forces on or after the date that is 90 days before the date of the enactment of this Act and with respect to whom the Secretary receives the information described in paragraph (3) of such subsection on or after the date of the enactment of this Act. (c) Electronic certificates of eligibility for Department of Veterans Affairs patient enrollment system Not later than August 1, 2024, the Secretary of Veterans Affairs shall ensure that any veteran who is eligible for automatic enrollment in the patient enrollment system under subsection (d) of section 1705 of title 38, United States Code, as added by subsection (a), is able to access— (1) an electronic version of the certificate of eligibility showing the veteran’s eligibility for such enrollment