; and (ii) any preliminary research or development of a drug product or drug substance, as those terms are defined in section 314.3 of title 21, Code of Federal Regulations (or any successor regulation) for which the drug manufacturer issuer has not submitted an application described in clause (i) or (ii) of paragraph (1)(A). (B) Initial rules The Commission shall— (i) not later than 1 year after the date of enactment of the Pharmaceutical Research Transparency Act of 2023 , propose initial rules under subparagraph (A); and (ii) not later than 2 years after the date of enactment described in clause (i), finalize the rules required under subparagraph (A). (C) Required information The information required under subparagraph (A) shall include total expenditures, which shall be disaggregated to each stage of drug research and development, including— (i) basic research; (ii) pre-clinical research; (iii) phase I of a clinical investigation of a new drug, as described in section 312.21(a) of title 21, Code of Federal Regulations, or any successor regulation; (iv) phase II of a clinical investigation of a new drug, as described in section 312.21(b) of title 21, Code of Federal Regulations, or any successor regulation; (v) phase III of a clinical investigation of a new drug, as described in section 312.21(c) of title 21, Code of Federal Regulations, or any successor regulation