Budgets, forecasts & scenarios · Working
Assumption register
Also called: assumption log
ELI5
A maintained list of model assumptions, owners, evidence and status.
Used in conversation
“Can we circulate assumption register with the assumptions and open questions marked?”
Pitch context
You will see “Assumption register” in financial models, budgets, board packs and investor materials when the discussion reaches budgets, forecasts & scenarios.
Why it matters: In budgets, forecasts & scenarios, different calculation boundaries, periods or accounting treatments can change the number and the decision.
Caution
Calculation, recognition and disclosure can vary by accounting framework, company policy and reporting context.
Sources & evidence · 5
Direct term-level sources and supporting source families.
- U.S. Small Business Administration — Write your business planDirect source · primary · checked 2026-08-16
- IFRS Foundation — IFRS GlossaryDirect source · primary · checked 2026-08-16
- Financial Accounting Standards Board — FASB Accounting Standards CodificationSupporting source family · primary · checked 2026-08-16
- U.S. Small Business Administration — Break-even pointSupporting source family · primary · checked 2026-08-16
- U.S. Securities and Exchange Commission — Non-GAAP Financial Measures — Compliance and Disclosure InterpretationsSupporting source family · primary · checked 2026-08-16