10 CFR §26.57

1. (a)Before granting authorization to an individual whose authorization has been interrupted for more than 365 days but less than 3 years and whose last period of authorization was terminated favorably, the licensee or other entity shall ensure that—
   1. (1)A self-disclosure has been obtained and reviewed under the applicable requirements of § 26.61;
   2. (2)A suitable inquiry has been completed under the applicable requirements of § 26.63;
   3. (3)The individual has been subject to pre-access drug and alcohol testing under the applicable requirements of § 26.65; and
   4. (4)The individual is subject to random drug and alcohol testing under the applicable requirements of § 26.67.
2. (b)If potentially disqualifying FFD information is disclosed or discovered, the licensee or other entity may not grant authorization to the individual, except under § 26.69.