; or (B) a Series I United States savings bond. (3) Bonds to be credited to single account Each retirement savings bond issued to the designated Roth IRA custodian shall be credited to a single Roth IRA established through the MyRA Program on behalf of a participant. (4) Reissue in case of change in custodian If a successor designated Roth IRA custodian is designated under subsection (b)(4), the retirement savings bonds issued to the predecessor designated Roth IRA custodian shall be reissued to such successor. (d) Roth IRA For purposes of this section, the term Roth IRA has the meaning given such term by section 408A(b) of the Internal Revenue Code of 1986. (e) Secretary For purposes of this section, the term Secretary means the Secretary of the Treasury (or the Secretary’s delegate). 4. Promotion and guidance (a) Promotion (1) In general The Secretary shall take such steps as the Secretary determines are necessary and appropriate to increase public awareness of the benefits provided under section 6433 of the Internal Revenue Code of 1986 and the MyRA Program established under section 3 of this Act. (2) Report to Congress (A) In general Not later than 90 days after the date of the enactment of this Act, the Secretary shall provide a report to Congress to summarize the anticipated promotion efforts of the Treasury with respect to paragraph (1). (B) Contents The report under subparagraph (A) shall include— (i) a description of plans for— (I) the development and distribution of digital and print materials, including the distribution of such materials to States for participants in State-sponsored retirement savings plans, and (II) the translation of such materials into the five most commonly spoken languages in the United States after English (as determined by American Community Survey data), and (ii) such other information as the Secretary determines necessary. (b) Guidance Not later than December 31, 2020, the Secretary shall issue guidance on the implementation and administration of the amendments made by section