31 CFR 50.6: Special rules for Interim Guidance safe harbors.

(a) An insurer will be deemed to be in compliance with the requirements of the Act to the extent the insurer reasonably relied on Interim Guidance prior to the effective date of applicable regulations.

(b) For purposes of this section, any Interim Guidance will be posted by Treasury at https://home.treasury.gov/policy-issues/financial-markets-financial-institutions-and-fiscal-service/federal-insurance-office/terrorism-risk-insurance-program.