Certifications are usually earned from a professional society or educational institute, not the government. However, a government agency can decree a certification is required by law for a person to be allowed to perform a task or job.
When The Vampire Diaries premiered on The CW Television Network, on September 10, 2009, it attracted the largest audience of any series since the network began in 2006.
Julie Plec is also the show-runner of the CW series The Vampire Diaries (2009) where Chris Wood appears as a recurring character (season 6). Plec also runs The Originals (2013) where Claudia Black appeared in 6 episodes.