The central competent authority shall publish the job categories, the ages and qualifications of participating competitors, as well as registration and competition related matters in the general regulations for skills competitions.

Competitors registering for skills competitions shall be citizens of the Republic of China, and the nominating organizations which recommend the registration shall not be changed after registration.
The nominating organizations mentioned in the preceding paragraph include agencies, schools, ancillary divisions with status of juridical persons, organizations, corporations, and vocational training agencies (organizations).
Each nominating organization shall recommend no more than three individuals or teams for each job category. The number of recommendations may be adjusted by the central competent authority based on the actual situation.
If the competitors graduate, leave a job or reinforce trainings during participation in National Skills Competition or National Team Selection, the schools, employers or training organizations may file applications to be added as co-nominating organizations without being restricted by Paragraph 1 and the preceding paragraph.

When teams are composed to participate in any job categories in any Regional Skills Competition, no change shall be made to the list of team members. However, if any member cannot participate in the competition due to natural disaster, unexpected event or other material reason, the nominating organization may recommend another qualified competitor to participate in the competition thirty days before the start of the competition, subject to the consent of the responsible organization.

Any competitor who has won any top-three prize in National Skills Competition shall not participate in the same job category of National Skills Competition. The same shall be applicable to any participation as a team member.
Any competitor who has won any top-three prize in National Skills Competition for the Physically and Mentally Challenged shall not participate in the same job category of National Skills Competition for the Physically and Mentally Challenged. The same shall be applicable to any participation as a team member.
Any competitor who has participated in WSC shall not participate in any job category of WSC. The same shall be applicable to any participation as a team member.
Any competitor who has participated in WSAC shall not participate in any job category of WSAC. The same shall be applicable to any participation as a team member.

Sources of candidates participating in the youth category of National Skills Competition are as follows:
1. The responsible organization of the youth category in each region participating in the Regional skills competition of the current year will recommend the top five competitors in each job category. If the number of participants is less than ten individuals or teams, the number of recommendations will be 1/2 of the registered candidates or teams. For any job categories where all candidates are grouped under one single region, when there are more than ten individuals or teams participating in the Regional skills competition, the candidates will be accepted based on qualifications, and no restriction will be imposed on the numbers. However, candidates who fail to meet the qualification requirements will not be included in the ranking and will not be recommended.
2. The Ministry of Education will recommend the top three winners of the relevant job categories from the national high school skills competition of the previous year. However, if two or more job categories correspond to one single job category in the youth category of National Skills Competition, two recommendations may be made for each job category if there are two job categories. If there are three job categories, one recommendation may be made for each of the job categories.
The number of recommendations in the preceding paragraph may be adjusted by the central competent authority based on the actual situation.

Sources of candidates participating in the junior category of National Skills Competition are as follows:
1. The responsible organization of the junior category in each region participating in the Regional skills competition of the current year will recommend the top five competitors in each job category. If the number of participants is less than ten individuals or teams, the number of recommendations will be 1/2 of the registered candidates or teams. For any job categories where all candidates are grouped under one single region, when there are more than ten individuals or teams participating in the Regional skills competition, the candidates will be accepted based on qualifications, and no restriction will be imposed on the numbers. However, candidates who fail to meet the qualification requirements will not be included in the ranking and will not be recommended.
2. The Ministry of Education will recommend the top three winners of the relevant job categories from the municipal/city/county junior high school skills competition of the current year. However, if two or more job categories correspond to one single job category in the junior category of National Skills Competition, two recommendations may be made for each job category if there are two job categories. If there are more than three job categories, one recommendation may be made for each of the job categories.
The number of recommendations in the preceding paragraph may be adjusted by the central competent authority based on the actual situation.

Any competitor for WSC who has won any top-three prize in National Skills Competition and whose age does not exceed the limit for participating in the WSI and who has not yet represented the Republic of China to participate in the same competition category of WSC may register to participate in the National Team Selection for WSC for such job category of the competition category.
Any competitor for IA who has won any top-three prize in National Skills Competition for the Physically and Mentally Challenged during the past ten years and who has never represented the Republic of China to participate in the same job category of IA may register to participate in the National Team Selection for IA.
Any competitor for WSAC who has won any top-three prize in National Skills Competition and whose age does not exceed the limit for participating in WSAC and who has not yet represented the Republic of China to participate in the same competition category of WSAC may register to participate in the National Team Selection for WSAC for such job category of the competition category.

Notwithstanding the provisions of the preceding article, the central competent authority may hold a national team selection for WSC, IA, or WSAC due to force majeure or special causes.

Any competitor selected and approved by the central competent authority to participate in any WSC, IA or WSAC shall participate in a training program before participating.
The central competent authority may decide to replace or withdraw from the national competitors for WSC, IA or WSAC mentioned in the preceding paragraph who have withdrawn from the competition or suffer any of the following events:
1. Failure to achieve the goal of training due to physical health conditions.
2. Failure to comply with the training plan or failure to follow instructions of the training team.
3. Failure to pass the training test.
4. Absence during training period without justification exceeding 1/ 10 of the total number of hours or taking leave for more than 1/ 5 of the total number of hours.
5. Subject to a decision of investigation, prosecution or detention due to the violation of laws.
6. Dispute between the competitor and the training team due to external interference.
7. Other special situations.
The central competent authority may disqualify Competitors who damage the national image and reputation, and further decide whether to fill up the vacancy or withdraw from the skill competition.
In case any official National Competitor specified in the preceding two paragraphs cannot participate in the competition, such member shall be replaced by the backup member. If the backup member of the national team cannot participate in the competition either, the replacement can be the person who wins the third place in the National Team Selection. However, if the condition occurs within three months before the start of WSC, IA or WSAC, no replacement for the competition will be made.
If the competition is participated in through a team in the preceding paragraph and if any team member cannot participate in the competition, the central competent authority will select one person from the backup team of such category to participate. If two or more persons cannot participate in the competition, the backup team for such job category will replace the initial team.