under subparagraph (A), the coverage period under part B of title XVIII of the Social Security Act shall begin on the first day of the month following the month in which the individual enrolls. (c) Notification and information to beneficiaries (1) Notification regarding insurance options The Secretary of Defense shall coordinate with the Secretary of Health and Human Services to identify individuals described in section 1086(d)(2)(B) of title 10, United States Code, as added by subsection (a), and notify those individuals about their health insurance options under the TRICARE program, as defined in section 1072 of such title, and the Medicare program under title XVIII of the Social Security Act ( 42 U.S.C. 1395 et seq.). (2) Provision of information to beneficiaries (A) In general The Secretary of Defense shall provide to individuals described in paragraph (1) educational materials, information, and counseling regarding the effects of not enrolling in the supplementary medical insurance program under part B of title XVIII of the Social Security Act ( 42 U.S.C. 1395j et seq.), including information comparing premiums, copayments, deductibles, provider networks, future enrollment opportunities, and penalties for the various health insurance plans available to assist those individuals in making appropriate health insurance choices. (B) Timing The Secretary shall provide the educational materials, information, and counseling described in subparagraph (A) to an individual described in paragraph (1) before the individual elects to change enrollment between the TRICARE program, as defined in section 1072 of title 10, United States Code, and the Medicare program under title XVIII of the Social Security Act ( 42 U.S.C. 1395 et seq.).