before the end of the 180-day period described under subparagraph (A), the Secretary shall issue regulations to carry out this subsection before the end of the 60-day period beginning on the end of the 180-day period described under subparagraph (A). 6. Translational research projects (a) Eligibility requirements Not later than 180 days after the date of enactment of this Act, the Secretary, in consultation with the Secretary of the Treasury, the Director of the National Eye Institute, and other interested parties, shall issue final regulations for the eligibility criteria for selecting translational research projects that will be funded through eye bonds. Such regulations shall address— (1) the stage of clinical trial for projects to provide the greatest likelihood of commercial application