Clinic waived testing and procedure/IFU

If (big if) the clinic lab is following the waived IFU exactly and there are no facility specific changes needed, what is the best way to have the medical director signature on the procedure ie IFU? For nonwaived it's pretty easy to obtain an editable version of the IFU from the manufacturer. I'm having a hard time finding that with the waived test kits. Instead of manually re-writing the IFU and adding signature, can a policy be created stating that for test XYZ the manufacturer IFU is to be followed and have med director signature that?