Effective with the publication of the option election date pursuant to section
1300i–5
(a)(4) of this title, the Secretary shall immediately pay out of the Settlement Fund into a trust account for the benefit of the Hoopa Valley Tribe a percentage of the Settlement Fund which shall be determined by dividing the number of enrolled members of the Hoopa Valley Tribe as of the date of the promulgation of the Settlement Roll, including any persons enrolled pursuant to section
1300i–5 of this title, by the sum of the number of such enrolled Hoopa Valley tribal members and the number of persons on the Settlement Roll.