(3) A delegate
is, in the exercise of a function delegated under this section, subject to
such conditions as are specified in the instrument of delegation.
(4) A
function delegated under this section, when exercised by the delegate, shall
be deemed to have been exercised by the advisory committee.
(5) A delegation
under this section does not prevent the exercise of a function by the
advisory committee.
(6) A function purporting to have been exercised by a
delegate under this section shall, until the contrary is proved, be deemed to
have been duly exercised by a delegate under this section.