Current Expected Credit Losses (CECL) is a new credit loss accounting standard (model) that was issued by the Financial Accounting Standards Board (FASB) on June 16, 2016.he standard is effective for most SEC filers in fiscal years and interim periods beginning after December 15, 2019, and for all others it takes effect in fiscal years beginning after December 15, 2022. The rules require companies A recognize credit losses only upon evidence of impairment B recognize credit losses upfront, i.e. at initiation of the extension of credit recognize credit losses only after approval of the amount by external auditors D recognize credit losses at the end of a loan period