Subject to the rules and regulations governing examinations, any person, over the age of 18 years, who has had six years of training and educational experience in actual practice of landscape architectural work shall be entitled to an examination for a license to practice landscape architecture. A degree from a school of landscape architecture approved by the board shall be deemed equivalent to four years of training and educational experience in the actual practice of landscape architecture. Before taking the examination, a person shall file an application therefor with the executive officer and pay the application fee fixed by this chapter.