TSOA Holders must:

• Manufacture the article in accordance with 14 CFR part 21 and the applicable Technical Standard Order (14 CFR 21.607)
• Conduct all required tests and inspections and establish and maintain a quality control system adequate to ensure that the article meets the above requirement and is in condition for safe operation (14 CFR 21.607)
• Prepare and maintain, for each model of each article for which a Technical Standard Order authorization has been issued, a current of complete technical data and records (14 CFR 21.607)
• Permanently and legibly mark each article to which this section applies with the following information: (14 CFR 21.607)
• The name and address of the manufacturer
• The name, type, part number, or model designation of the article
• The serial number or the date of manufacture of the article or both
• The applicable Technical Standard Order number
• Keep and retain records (14 CFR 21.613)