; and (2) may not become a member of such unit unless approved by the Administrator pursuant to this section. (b) Process and timeline (1) In general The Administrator shall maintain an efficient process for the review and approval of an individual to become a member of an ODA unit under this section. (2) Process An ODA holder described in subsection (a) may submit to the Administrator an application for an individual to be approved to become a member of an ODA unit under this section. The application shall be submitted in such form and manner as the Administrator determines appropriate. The Administrator shall require an ODA holder to submit with such an application information sufficient to demonstrate an individual’s qualifications under subsection (c). (3) Timeline The Administrator shall approve or reject an individual that is selected by an ODA holder to become an ODA unit member under this section not later than 30 days after the receipt of an application by an ODA holder. (4) Documentation of approval Upon approval of an individual to become a member of an ODA unit under this section, the Administrator shall provide such individual a letter confirming that such individual has been approved by the Administrator under this section to be an ODA unit member. (5) Reapplication An ODA holder may submit an application under this subsection for an individual to become a member of an ODA unit under this section regardless of whether an application for such individual was previously rejected by the Administrator. (c) Qualifications (1) In general The Administrator shall issue minimum qualifications for an individual to become a member of an ODA unit under this section. In issuing such qualifications, the Administrator shall consider existing qualifications for Administration employees with similar duties and whether such individual— (A) is technically proficient and qualified to perform the authorized functions sought