Professional certification

Designation earned by a person to assure qualification to perform a job or task

Professional certification, trade certification, or professional designation, often called simply certification or qualification, is a designation earned by a person to assure qualification to perform a job or task. Not all certifications that use post-nominal letters are an acknowledgement of educational achievement, or an agency appointed to safeguard the public interest.

From Wikipedia, under CC BY-SA. More on occurri.