by this section. (e) Allocations of credit authority to State agencies (1) Renters credit dollar amount for agencies (A) State limitation The aggregate credit amounts which a renters credit agency may allocate for any calendar year is the portion of the State renters credit ceiling allocated under this paragraph for such calendar year to such agency. (B) State ceiling initially allocated to State housing credit agencies Except as provided in subparagraphs (D) and (E), the State renters credit ceiling for each calendar year shall be allocated to the renters credit agency of such State. If there is more than 1 renters credit agency of a State, all such agencies shall be treated as a single agency. (C) State renters credit ceiling The State renters credit ceiling applicable to any State and any calendar year shall be an amount equal to the sum of— (i) the unused State renters credit ceiling (if any) of such State for the preceding calendar year, (ii) the greater of— (I) $17.50 multiplied by the State population, or (II) $20,000,000, (iii) the amount of State renters credit ceiling returned in the calendar year, plus (iv) the amount (if any) allocated under subparagraph (D) to such State by the Secretary. For purposes of clause (i), the unused State renters credit ceiling for any calendar year is the excess (if any) of the sum of the amounts described in clauses (ii) through (iv) over the aggregate renters credit dollar amount allocated for such year. (D) Unused renters credit carryovers allocated among certain States (i) In general The unused renters credit carryover of a State for any calendar year shall be assigned to the Secretary for allocation among qualified States for the succeeding calendar year. (ii) Unused renters credit carryover For purposes of this subparagraph, the unused renters credit carryover of a State for any calendar year is the excess (if any) of— (I) the unused State renters credit ceiling for the year preceding such year, over (II) the aggregate renters credit dollar amount allocated for