the memorandum is submitted under paragraph (2), the Inspector General shall approve or disapprove the memorandum. (B) Disapproval If the Inspector General disapproves the memorandum, the Inspector General shall advise the Secretary on what changes to the memorandum are necessary for approval. (4) Notice If the memorandum is approved under paragraph (3), not later than 30 days after the date of the approval, the Secretary shall— (A) provide to each employee of the Indian Health Service an electronic copy of the approved memorandum