Orders and Terms of Sale. The FTC Act makes it illegal to sell substitute goods differ-ent from those ordered, intentionally misrepresent delivery dates, fail to actually fill an order, and not fill an order in a reasonable time. Terms of sale or conditions of sales offers cannot be misrepresented. Key terms of sale include warranties and guar-antees,the ability of the buyer to cancel a contract or obtain a refund, and important facts in a credit or financing transaction.