14 CFR 414.7 - Eligibility.
(a) There is no citizenship requirement to obtain a safety approval.
(b) You may be eligible for a safety approval if you are -
(2) The designer or developer of a safety system or process; or
(c) A safety approval applicant must have sufficient knowledge and expertise to show that the design and operation of the safety element for which safety approval is sought qualify for a safety approval.