Saved on this device

Follow your curiosity

What discovery has been shared with you?

FACTREE gives you something interesting to discover every day — and something worth talking about together.

Start with one fact. Explore it, go deeper, then follow whichever branch catches your imagination.

Choose subjects for a surprise

Exploring any topic

Begin your discovery

Your next discovery is one click away.

Choose one or more subjects above, or leave Any Topic selected and let curiosity decide.

Economics

The Parol Evidence Rule and Its Application to Integrated Contracts

Quick fact

The parol evidence rule excludes prior oral or written agreements that contradict a final written contract, but it does not bar evidence of fraud, duress, or conditions precedent, and it only applies when the writing is deemed a complete integration.

Why this is interesting

You sign a contract after months of negotiations, but later discover that an important promise made during talks was never written down. Can you enforce it? The parol evidence rule may say no—surprising many.