Ari, here is what Reg Z says about exclusion of credit insurance from finance charge:
Premiums for credit life, accident, health or loss- of-income insurance may be excluded from the finance charge if the following conditions are met:
(i) The insurance coverage is not required by the creditor, and this fact is disclosed in writing.
(ii) The premium for the initial term of insurance coverage is disclosed. If the term of insurance is less than the term of the transaction, the term of insurance also shall be disclosed. The premium may be disclosed on a unit-cost basis only in open-end credit transactions, closed-end credit transactions by mail or telephone under Sec. 226.17(g), and certain closed-end credit transactions involving an insurance plan that limits the total amount of indebtedness subject to coverage.
(iii) The consumer signs or initials an affirmative written request for the insurance after receiving the disclosures specified in this paragraph. Any consumer in the transaction may sign or initial the request.
Unless all the criteria above are met, the amount of the credit insurance premium is considered a finance charge. If the premium was financed, it would be subtracted from the loan amount to determine the amount financed for Reg Z purposes, essentially creating a prepaid finance charge for the amount of the premium.
If the premium was paid outside of closing, you would still subtract it from the loan amount to determine the amount financed.
If all the criteria above have been met, however, then you do not subtract the premium from the amount financed. It sounds to me as if you excluded the premium from the amount financed, which yielded the results you cite.
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The opinions expressed here are personal and do not represent opinions of my employer.