(1)
Of the amounts becoming available for breast cancer research pursuant to this section, the Postal Service shall pay—
(A)
70 percent to the National Institutes of Health; and
(B)
the remainder to the Department of Defense.
Payments under this paragraph to an agency shall be made under such arrangements as the Postal Service shall by mutual agreement with such agency establish in order to carry out the purposes of this section, except that, under those arrangements, payments to such agency shall be made at least twice a year.