an electronic link to the relevant cost data posting under subparagraph (C)(i). (ii) Posting The responsible party for an applicable drug clinical trial shall post in the field created under clause (i) a link to the relevant cost data posting no later than 5 days after initial posting of the cost data under subparagraph (C)(i). (E) Rulemaking (i) In general The Secretary shall promulgate regulations to carry out this paragraph that include— (I) definitions for each category of information identified in subparagraph (B)