2-23.4 Sources for Metrics Client requirements are the primary focus of contract management and must underpin the selected performance metrics. Performance metrics must also align with: Client strategies. Postal Service strategies. Most recent business justification. Demand management strategy. Logistics support plan. Project plan. Value chain map and analysis (performance metrics should support a focus on value-added activities away from non-value-added activities). Life-cycle support plan. Investment recovery plan. Performance-based contracting agreement. Industry benchmarks.