(a) Any Person desiring access to the Limited Access DMF must certify in accordance with this part. Upon acceptance of a Person's certification by NTIS, such Person will be a Certified Person, will be entered into the publicly available list of Certified Persons maintained by NTIS, and will be eligible to access the Limited Access DMF made available by NTIS through subscription.

(b) Certification under this part is not required for any Person to access the Open Access DMF made available by NTIS; however, a Certified Person may also access the Open Access DMF.