To avoid a contract on the basis of non est factum,the mistake must have gone to the entire nature of the agreement,not just to some aspect of it.

Question

Quizplus · Accepted Answer

This is correct. Non est factum is a defense against the enforcement of a contract based on the assertion that the signing party did not fully understand the nature and consequences of the document they signed. The mistake must be so fundamental that it goes to the entire nature of the agreement, as opposed to just a specific part of it.

To Avoid a Contract on the Basis of Non Est