Final answer:
Third-party documents are not considered a type of internal documentation because they originate from external sources, unlike legal, business, and accounting documents which are generated within an organization.
Step-by-step explanation:
The student has asked which item is not a type of internal documentation. Internal documentation refers to the documents that are generated within a company or organization and are meant for internal use only. Typically, internal documentation includes the likes of legal documents, business documents, and accounting documents. These are crucial for everyday corporate operations and decision-making. On the other hand, c. Third-party documents, are not usually counted as internal documentation because they are produced outside of the organization and might include audit reports, supplier agreements, or customer-related documents provided by other entities.