In commercial jurisprudence, corporate finance, and commercial leasing, writing financial figures in full words alongside numerical amounts is a mandatory fraud-prevention requirement.
1. The Legal Doctrine of Precedence: Words Over Numbers
Under international commercial law, banking regulations, and the Uniform Commercial Code (UCC Section 3-114), if an inconsistency exists between numbers and written words on an instrument, the written words prevail.
"If an instrument contains contradictory terms, typewritten terms prevail over printed terms, handwritten terms prevail over both, and words prevail over numbers." — UCC § 3-114
2. Financial Check and Invoicing Best Practices
- Hyphenation Rules: Compound numbers between twenty-one and ninety-nine must always be hyphenated (e.g. twenty-five thousand).
- Fractional Cents Notation: In commercial invoicing and payroll checks, recording decimals in fractional format (e.g. «and 50/100 Dollars») prevents manual check alteration.
- UPPERCASE Standardization: Financial institutions mandate UPPERCASE typography on physical checks to eliminate handwriting ambiguity.