Model Governance & Audit

Any change to WACC calculation methodology or key inputs requires director approval.

Terminal growth rate above 3% requires CFO approval with written justification.

Projected margin improvement >500bps from historical requires manager approval.

All key assumptions must be reviewed and signed off before model finalization.

All external data sources must be documented and validated against primary sources.

All models used for material decisions require independent review.

Models supporting board presentations require CFO sign-off.

Valuation outputs outside historical trading range require explanation.

Investment recommendations must demonstrate achievement of target IRR.