The Forestry Act Article 38-6

For the management and protection of trees that exceeds the scale designated by the central government agency, works of planning, designing, and supervision shall be completed by legally registered technicians who are professionals in the area of forestry, horticulture, and have relevant skills, or the technical consulting institutes which hire said technicians. In the case of work that is handled by government agencies of all levels, public corporations, or public institutions, the works may be completed by persons who are accredited as corresponding technicians in said agencies, corporations, and institutions.The central government agency shall establish a training, recruiting, and certification system for tree protection professionals. The relevant measures shall be formulated by the central government agency in consultation with the Examination Yuan and the Ministry of Labor.