The Secretary may distribute not more than 5% of the net proceeds of the Fund to a promotional account to be used to promote further donations to the Fund. Money in the Fund may be used for administrative costs calculated in accordance with § 1–103(b)(2) of this title. After making the distributions allowed under subsection (a) of this section, the Secretary shall distribute the remainder of the net proceeds of the Fund as follows: 50% to the Chesapeake Bay Trust established under § 8–1902 of this article, to be used by the Trust only as provided in § 1–704 of this subtitle; and 50% to an endangered species account, to be used only to conserve nongame, threatened and endangered species as provided in § 1–705 of this subtitle.