Subject to the provisions of this section, this subchapter applies to a member of the National Teacher Corps. In administering this subchapter for a member covered by this section—
(1)
“performance of duty” does not include an act of a member while—
(A)
on authorized leave; or
(B)
absent from his assigned post of duty, except while participating in an activity authorized by or under the direction or supervision of the Commissioner of Education; and
(2)
in computing compensation for disability or death, the monthly pay of a member is deemed his actual pay or that received at the minimum rate for GS–6, whichever is greater.