(a) Eligibility. The NCUA shall use the transition provisions of this subpart in determining a credit union's net worth category under this part, as applicable, if:

(1) The credit union has not adopted CECL before its first fiscal year beginning after December 15, 2022; and

(2) The credit union records a reduction in retained earnings due to the adoption of CECL.

(b) Determination of CECL transition amount. (1) For purposes of calculating the first three quarters of the transition period, as described in paragraph (c)(1) of this section, the CECL transitional amount is equal to the difference between the credit union's retained earnings as of the beginning of the fiscal year in which the credit union adopts CECL and the credit union's retained earnings as of the closing of the fiscal year immediately prior to the credit union's adoption of CECL.

(2) For purposes of calculating the fourth through twelfth quarters of the transition period, as described in paragraphs (c)(2) and (c)(3) of this section, the CECL transitional amount is equal to the difference between the credit union's retained earnings as of the end of the fiscal year in which the credit union adopts CECL and the credit union's retained earnings as of the beginning of its next fiscal year.

(c) Calculation of CECL transition provision. In determining the net worth category of a credit union as provided in paragraph (a) of this section, the NCUA shall:

(1) Increase retained earnings and total assets as reported on the Call Report for purposes of the net worth ratio by 100 percent of its CECL transitional amount during the first three quarters of the transition period (first three reporting quarters of the fiscal year in which the credit union adopts CECL);

(2) Increase retained earnings and total assets as reported on the Call Report for purposes of the net worth ratio by sixty-seven percent of its CECL transitional amount during the second four quarters of the transition period (fourth reporting quarter of the fiscal year in which the credit union adopts CECL and first three reporting quarters of the next fiscal year); and

(3) Increase retained earnings and total assets as reported on the Call Report for purposes of the net worth ratio by thirty-three percent of its CECL transitional amount during the final four quarters of the transition period.