What defines a false statement in the context of legal applications?

A false statement in the context of legal applications refers specifically to an untrue assertion that is made to support another person's application. This concept is pivotal in various legal contexts, including fraud and misrepresentation cases, where the integrity of the information submitted is crucial for the evaluation and decision-making processes by legal authorities or institutions. When an individual submits a statement that they know to be untrue, particularly to bolster someone else's application, it undermines the legitimacy of the application process and can lead to legal consequences.

In distinguishing this answer from other options, it is important to note that a true assertion made to support an application, while perhaps beneficial, would not be considered false. Similarly, a statement made without evidence does not inherently qualify as false; it could simply be an unsupported claim rather than one that is untrue. A signed document from a legal authority is also not relevant to the definition of a false statement, as its validity depends on the authenticity and subject matter, rather than the truthfulness of assertions made. Thus, the clarity of the definition in option C hinges on the intent and truthfulness behind the assertion made in support of another's application, making it the correct answer.