For example, Buy-to-Pay (B2P) Procurement Approver Guidance offers best practice for reviewing and approving Purchase Orders, Payment Requests, and Non-Employee Reimbursement Requests.
The guidance was created by members of the HMS Business Process Working Group (BPWG), whose members are from 14 HMS and HSDM departments. Learn more about the BPWG here. You can find the B2P Guidance and more on RA on ARC.