PO e-flow instruction: 1. Applicant submits the PO request (please select "submitted" in [Status]) 2. PI reviews the PO request and approves the application (please select "approved" in [Status]); or rejects with reasons stated in [Remark] (please select "rejected" in [Status]) 3. Applicant places the order ONLY upon PI's approval (please select "purchased" in [Status]) 4. Applicant completes reimbursement timely (please select "reimbursed" in [Status])