Per BSA - A bank must collect and retain information on any sale of a bank check, draft, cashier's check, money order, or traveler's check from $3,000.00 to $10,000.00 inclusively. This is your log. The act does not require any particular form of log, you may collect and retain the information in any format the bank chooses. The record retention for the log(s) is 5 years.
_________________________
What we think, we become.
Buddha