RTC §3456: (a) If any part of a bid that was accepted by the tax collector is not paid when due, the county shall have a claim against the bidder for the actual cost of the sale.

(a) If any part of a bid that was accepted by the tax collector is not paid when due, the county shall have a claim against the bidder for the actual cost of the sale. Immediately upon becoming past due, the tax collector shall notify the bidder by certified mail, which notice shall include all of the following: (1) That his or her bid has been voided because of the delinquent payment. (2) The amount of the county’s claim against the bidder. (3) That the amount of the claim will be deducted from any deposit submitted by the bidder and that any remaining amount of the deposit is forfeited. (b) If a bidder does not pay the claim arising under subdivision (a) within 30 days after the notice is sent, both of the following apply: (1) The county may utilize any means authorized by law to collect the claim, including, but not limited to, transferring the amount of the claim to the unsecured roll. (2) The tax collector may prohibit the bidder from bidding on sales made pursuant to this chapter for up to five years.