SAC Planning Fundamentals

As of 2026-05-29

Plan models = governed first-class artefacts (not Excel-replacement). Star schema with write-back, version is critical dim (budget · forecast · scenarios · snapshots). 3 patterns: top-down · bottom-up · iterative reconciliation. Senior pattern: version-locked snapshots, signed-off audit trail, validation rules. S/4 integration: post commitments AFTER sign-off, never live-bind. Snapshot retention 24 months.