Nix on investments but everything else is fair game!
Jeff, if you're referring to the fraction code printed on checks, this was a method used prior to the adoption of the MICR code for processing checks. Even though it is still printed, banks don't use this code anymore. There's no real explanation for why it's still printed.
From past 8.5 years, servicing Bank of America clients through Customer Services, Chat Texts options related...
Bankbuster is right, you cannot find fraction number checks with banks, from 1950s MICR code is applicable.
The only time a fraction code may be used is when the MICR line is torn or unreadable for some reason.
If you have a check with fraction number or you want to know how to write a fraction number on check and you want to understand, how to go about it, do reply.