Regulation Z Official Staff Commentary, Comment 17(b)-2 states in part:
Converting open-end to closed-end credit. Except for home equity plans subject to ยง226.5b in which the agreement provides for a repayment phase, if an open-end credit account is converted to a closed-end transaction under a written agreement with the consumer, the creditor must provide a set of closed-end credit disclosures before consummation of the closed-end transaction.
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