In addition to being used as a tool for colonial power, Mixtec writings were admissible legal documents. Mixtec writings during the Colonial period were used to document and legitimate land claims of the hereditary nobility and to preserve and maintain the Mixtec culture.
Furthermore, Mixtec writings played a dual role, serving both as a means of exerting colonial power and as legitimate documents in law courts. During the Colonial period, they were utilized by the hereditary nobility to assert their land claims and preserve their cultural heritage.