The Central Competent Authority shall consider the national economic development policy, the trend of industrial development and the needs of the employment market when developing and adjusting the job categories involved in skill certification.

Development and adjustment of job categories shall be conducted as a priority for occupations that meet either of the following descriptions:
1. Those requiring employment of certified technicians according to law;
2. Those technically involving public safety issues.

Development of job categories shall not be conducted for occupations that meet any of the following descriptions:
1. Those to be categorized as requiring professional occupations and technologies;
2. Those requiring tests conducted by the competent authority of the related business;
3. Those involving knowledge and skills for which objective evaluation standards are not yet to be established.

Related professional organizations and agencies (institutions) may present proposals regarding development or adjustment of job categories of skills certification to The Central Competent Authority.
A proposal as described in the preceding paragraph shall include the name of the job category, reasons for development, expected results, supply and demand of the labor market, work scope of the job category,, and main work items in writing.