42 CFR § 136a.43
Application procedure for preference eligibility
June 11, 2020
To be considered a preference eligible, the person must submit with the employment application a Bureau of Indian Affairs certification that the person is an Indian as defined by §36a.41 except that an employee of the Indian Health Service who has a certificate of preference eligibility on file in the Official Personnel Folder is not required to resubmit such proof but may instead include a statement on the application that proof of eligibility is on file in the Official Personnel Folder.
[43 FR 29783, July 11, 1978, as amended at 65 FR 53914, Sept. 6, 2000]