(2) Notice in writing of every proposed resolution to make rules under this section or for the amendment or revocation of any rule so made, (including a copy of the proposed rules, amendment, or revocation) shall be given to every Director not less than 21 days before the meeting at which the proposal is to be moved, but an inadvertent failure to comply with this subsection shall not invalidate the making, amendment, or revocation of any rule at that meeting.