in this subsection as the Inspector General ) for approval. (4) Approval or disapproval Not later than 30 days after the submission of the memorandum under paragraph (3), or a revised memorandum under paragraph (6), the Inspector General shall approve or disapprove the memorandum or revised memorandum, as the case may be. (5) Notice In the case of an approval under paragraph (4), not later than 30 days after such approval, the Secretary shall— (A) provide to each employee of the Indian Health Service an electronic copy of the approved memorandum