Task: Instance Description Understanding (ontology: Business_Finance/Financial_Industry_Business_Ontology)

Which of the following definitions best describes the instance 'document filing period'?

A. the set of entity legal form identifiers that comprise the ISO 20275 entity legal form specification
B. qualifier indicating that the relationship period reflects the period of time covered by the most recent validation documents from an accounting perspective for this relationship
C. a qualifier indicating that the relationship period reflects the validity period for any regulatory filing, accounting document, other document demonstrating the relationship's validity
D. an accounting framework of unstated origin (other than IFRS or US GAAP)

Answer: a qualifier indicating that the relationship period reflects the validity period for any regulatory filing, accounting document, other document demonstrating the relationship's validity