38 U.S.C. § 1511: Indian War veterans

$101.59; or $135.45 if the veteran is in need of regular aid and attendance. for thirty days or more; or for the duration of such Indian War; Any veteran eligible for pension under this section shall, if such veteran so elects, be paid pension at the rates prescribed by section 1521 of this title , and under the conditions (other than the service requirements) applicable to pension paid under that section to veterans of World War I. If pension is paid pursuant to such an election, the election shall be irrevocable, except as provided in paragraph (2). The Secretary shall pay each month to each veteran of the Indian Wars who is receiving, or entitled to receive, pension based on a need of regular aid and attendance, whichever amount is greater (A) that provided by paragraph (2) of subsection (a) of this section, or (B) that which is payable to the veteran under section 1521 of this title if such veteran has elected, or would be payable if such veteran were to elect, to receive pension under such section pursuant to paragraph (1) of this subsection. Each change in the amount of pension payment required by this paragraph shall be effective as of the first day of the month during which the facts of the particular case warrant such change, and shall be made without specific application therefor.