System_or_interface,Scope_item,Responsibility_decision,Supplier_responsibility,Buyer_responsibility,Third_party_responsibility,Required_input,Due_gate,Acceptance_evidence,Status,Owner,Notes
PROJECT_INPUT_REQUIRED,Define one interface per row,Agree responsibility before contract,Complete from agreed scope,Complete from agreed scope,Complete only when applicable,Reference controlled input,Name the project gate,Name objective evidence,Open,Assign owner,Do not infer responsibility from this blank worksheet