In practice, this describes when a
creditor must tell an intended guarantor (surety/cautioner) material facts before a guarantee is signed, and provide required information thereafter. It is a descriptive expression rather than a defined term, drawing mainly on common law and equity (England & Wales and Northern Ireland) and Scots law on cautionary obligations, with additional duties under consumer credit and mortgage regulation.
Key circumstances include where the creditor knows facts that are unusual or materially increase the guarantor’s risk and would not reasonably be expected by a prudent guarantor (for example, undisclosed defaults, side arrangements, or a facility already in distress). A creditor must not misrepresent, and—where on notice of potential undue influence or misrepresentation—must take protective steps, including ensuring the guarantor receives independent advice (Etridge; in Scotland, Smith v Bank of Scotland).
For regulated consumer credit, the Consumer Credit Act 1974 (and FCA CONC) requires pre‑contract explanations, copies of the agreement and specified notices to any guarantor, with non‑compliance affecting enforceability and “unfair relationship” risk. UK mortgage conduct rules (MCOB) and Irish consumer/mortgage regimes impose analogous disclosure and explanation duties.
Across England & Wales, Scotland, Northern Ireland and Ireland, non‑disclosure can render a guarantee voidable or discharged, restrict enforcement, or...