‘ 6. Leave to Withdraw. A sponsor may request leave to withdraw that sponsor’s bill or resolve before the bill or resolve is advertised for a public hearing. The request may be granted only by the agreement of both chairs of the joint standing committee to which the bill or resolve was referred. When a request for Leave to Withdraw has been granted by the chairs, the bill or resolve must be reported out as Leave to Withdraw and placed in the legislative files and may be recalled only as provided in Joint Rule 404.’