Official documents are documents with specific formats used by party and government organs, enterprises and public institutions, and social groups in official activities. It is an important tool for conveying and implementing the principles and policies of the Party and the state, issuing administrative regulations and rules, asking for instructions and answering questions, guiding and negotiating work, reporting and exchanging experience.
C is a secretary of a county magistrate, who wrote a standing committee speech for the magistrate is an official document according to the definition.