; (G) establishes a process for each interregional transmission planning region to submit, jointly with each other interregional transmission planning region with which the interregional transmission planning region has, or plans to establish, an interregional transfer capability, not later than 2 years after the effective date of the final rule, a plan that— (i) designates 1 or more entities for construction of new facilities or modification of existing facilities to achieve the applicable minimum interregional transfer capability in an efficient and timely manner for the benefit of ultimate consumers; (ii) allocates the costs of the facilities described in clause (i); and (iii) includes a timeline for the construction of the facilities described in clause (i)— (I) by December 31, 2035; or (II) if any construction will extend beyond that date, that includes an explanation of the reasons for that construction extending beyond that date; and (H) explains how the Commission will designate 1 or more entities to construct or modify, and how the Commission will allocate the costs of, the facilities described in clause (i) of subparagraph (G) in the event that an interregional transmission planning region fails to submit a plan in accordance with that subparagraph. (2) Presumptions; consultation In establishing the methodology under paragraph (1)(F), the Commission may— (A) establish and use simplified, rebuttable presumptions relating to the extent to which coincident interregional transfer capabilities or coincident peak loads will be anticipated to be altered by facilities, technologies, or programs described in clauses (i) through (iv) of that paragraph