That indemnity bond language must have been on your checks, tpowers4, for many years. But it's pretty much outdated now. Section 3-312 of the UCC provided a refund mechanism for lost, stolen or destroyed official checks. You might try to find out if your state adopted the commentary to that section of the UCC, because the "official" commentary states that banks are expected NOT to require an indemnity bond to honor claims under 3-312.
I have seen legends reading like this:
This check may only be replaced after 90 days from its issue date in the event it is stolen, lost or destroyed.
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John S. Burnett
BankersOnline.com
Fighting for Compliance since 1976
Bankers' Threads User #8