; (ii) at the direction of the qualified health care worker; and (iii) in such proportion or amount as is directed by such worker; (B) not greater than 4 withdrawals are made from such account during any calendar year; and (C) beneficiary designations for such account are made in the case of the death of such worker. (5) Pandemic responder child savings account (A) In general At the election of any qualified health care worker, the Secretary shall establish and maintain a separate trust account (referred to in this section as a pandemic responder child savings account ) on behalf of any dependent (as designated by such worker) who, at the time of such election, has not attained 18 years of age and which shall consist of such amounts as are elected by such worker to be transferred to such account. (B) Investment without fees Any amount transferred to a pandemic responder child savings account shall be invested solely in United States Treasury bonds. No fees shall be assessed on participants in the Pandemic Responder Child Savings Account Program. (C) Accounts may not be assigned An account established on behalf of an individual under the Pandemic Responder Child Savings Account Program may not be pledged or assigned to any other person, and any transfer to such account by a qualified health care worker may not subsequently be transferred or returned to the pandemic responder savings account of such worker. (D) Distribution of amounts in pandemic responder child savings account The Secretary shall establish such guidelines as may be necessary to ensure that— (i) funds held in a pandemic responder child savings account are withdrawn or transferred— (I) only for purposes described in subparagraphs (A) through (G) of subsection (d)(6) with respect to the individual on whose behalf such account has been established